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Enjze
@Enjze
March 2022
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Упростите выражение:
а) (х+4)*(х-3)+12;
б) 9х²- (2х-3)*(3+2х)
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krugly1981
(x + 4)(x - 3) + 12 = x^2 + x - 12 + 12 = x^2 + x
9x^2 - ( 6x + 4x^2 - 9 - 6x) = 9x^2 - 4x^2 + 9 = 5x^2 + 9
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Answers & Comments
9x^2 - ( 6x + 4x^2 - 9 - 6x) = 9x^2 - 4x^2 + 9 = 5x^2 + 9