@matematicacomfb: Regra dos Sinais #matematica #matematicabasica #estudar #aprender

Prof. Fabrício
Prof. Fabrício
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Wednesday 23 September 2026 10:01:54 GMT
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emmanuelsoubeiga12
emmanuelsoubeiga12k , :
-28
2026-10-11 19:00:58
0
therians_67999
Therians_67999 :
No this here is not a true therians but just a random Pinterest on an alt account: It is - 28 since it is a multiplication and one of the number is negative, if both were (-) * (-) then we would get a (+) but since we has (-4) * (+7) = - 28 automatically unless there is (+) * (+) it would be positive but this eventually apply to divisions either as rule but remember that (-) / (-) will result to a plus for both numbers, so yes maths do own a lot of philosophy but that's an easy calculation system, secondary school is even using delta calculations from the polynomial of degree second such as delta = (b) ^2 - 4 * a * c and dependendinf on the if the number is smaller, equal or bigger than 0, when it is delta (number found) than 0, then you'll get to calculate two solutions such as alpha 1 and 2 that will result to a(x - alpha 1)(x - alpha 2) but we do also use derivatives numbers and derivatives second for example you got f(x) = x^3; f'(x) = 3x^2; f"(x) = 6x but most importantly we will alway remove the constancy of a basic number in derivatives and for derivatives of x = no need to think it is automatically 1 and it can go even more far away from what you've might expect...
2026-09-27 12:34:25
1
hilton.victor
Hilton Victor :
(-)×(+)= - (4)×(7)= 28 R: -28
2026-09-23 10:15:48
8
etika.sari63
Etika Sari :
-28
2026-10-14 09:17:09
0
qwerty91341
good will happen :
28
2026-09-28 22:51:58
1
ahmed.qreaq
🅰🅷🅼🅴🅳🇵🇸 ᑅ ᐧ ᑀ 🖤 :
-28✅
2026-10-11 18:48:08
0
klisethnlaimearci
lizlaime :
-28
2026-10-05 02:01:59
1
paymanothman649
paymanothman649 :
= -28
2026-09-23 10:07:21
31
andydormeus0
Anderson :
28
2026-09-23 17:48:16
0
user302218656980343
sda :
-28
2026-09-23 12:39:38
0
andra.cercea19
Andra Cercea 💋🎀 :
-28
2026-09-26 16:37:26
1
ulrikk6
ulrikk6 :
-28
2026-09-23 17:46:50
1
margjinivalin
Margjini Valin :
- 28
2026-09-23 12:39:23
2
emperatriz9423
emperatriz :
-28
2026-09-23 15:35:01
1
eliesseboudghassem8
Eliesse :
-28
2026-09-25 12:30:05
1
steaua.ellietlou10edits1
steaua ❤️💙 :
-28
2026-09-23 19:05:20
1
dilsonjorgebartsc
Bartsch :
-28
2026-09-23 18:24:38
1
user949543168joseaugusti
@joseaugusto28 :
-28
2026-09-24 01:39:45
2
cyrillegueu261
yannel :
-28
2026-09-25 15:44:19
3
fawad.naderi77
Fawad Naderi39 :
3
2026-10-11 07:00:49
0
aminahamma29
بنت مكناسية 🇲🇦❤️🇲🇦 :
-28
2026-10-16 20:17:50
0
mahder.haile6
Mahi Love :
-3
2026-10-17 13:44:19
0
dahyahya32
dah yahya :
-27
2026-10-13 00:08:15
0
nancydarnel
Nancy🌸 :
I don’t get it
2026-10-12 21:29:15
0
a_mbra0
aa_ambr0❤️😘 :
-28
2026-10-18 09:03:42
0
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