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BLEK123
@BLEK123
April 2022
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Срочно 50 балллв
Спростити вираз
1) (-3а+б)+(3а+б)
2)(4х+2у)-(3х-2у)
3) 2х(2+х)
4)-3х(-3х+1)
5) (а+а2-1)(-2а). Тут а2 ето а в 2
Записати в стандартному вигляді
6)3а*(5а2-3аб+аб2-б2)*б
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Answers & Comments
KubiSheep
1) (-3a+b)+(3a+b) = -3a+b+3a+b = 2b
2) (4x+2y)-(3x-2y) = 4x+2y-3x+2y = x+4y
3) 2x(2+x) = 4x+2x^2
4) -3x(-3x+1) = 9x^2-3x
5) (a+a^2-1)(-2a) = -2a^2-2a^3+2a
6) 3a(5a^2-3ab+ab^2-b^2)*b = 3ab*5a^2-3ab*3ab+3ab*ab^2-3ab*b^2 = 15a^3b-9a^2b^2+3a^2b^3-3ab^3
2 votes
Thanks 1
BLEK123
мне тож 13
BLEK123
инста нет
BLEK123
неа капц буде
BLEK123
от родителей
BLEK123
моя сестра тож диана
BLEK123
и она спамоут♂️♂️
BLEK123
♂️♂️
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Answers & Comments
2) (4x+2y)-(3x-2y) = 4x+2y-3x+2y = x+4y
3) 2x(2+x) = 4x+2x^2
4) -3x(-3x+1) = 9x^2-3x
5) (a+a^2-1)(-2a) = -2a^2-2a^3+2a
6) 3a(5a^2-3ab+ab^2-b^2)*b = 3ab*5a^2-3ab*3ab+3ab*ab^2-3ab*b^2 = 15a^3b-9a^2b^2+3a^2b^3-3ab^3