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Teagan Shah
Mathematics
19 April, 17:28
Multiplying binomials (*+2) (*-9)
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Carly Choi
19 April, 17:52
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x² - 7x - 18
Step-by-step explanation:
In algebra, a binomial consists solely of a sum or subtraction of two monomials.
To solve the multiplication of two binomials we have to multiply term by term and then simplify common terms.
(x + 2) (x - 9) = x (x) + x (-9) + 2 (x) + 2 (-9) = x² - 9x + 2x - 18 = x² - 7x - 18
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