3. What is the product of (x-2)(x + 4)?A. x2 + 6x + 8C. x2 + 2x - 8B. x2 - 2x - 8D. x2 - 6x - 8. Created by namjoon8. Math

3. What is the product of (x-2)(x + 4)?A. x2 + 6x + 8C. x2 + 2x - 8B. x2 - 2x

SOLUTION

$\tt \: \: (x - 2) \: (x + 4) \\ \implies \: \red{x(x)} + \green{4(x)} + \purple{( - 2)(x) } + \orange{( - 2)(4))} \\ \implies \red{ \: {x^{2} }} + \green{4x} + \purple{( - 2x)} + \orange{( - 8)} \\ \tt \implies \: x^{2} + (4x - 2x )- 8 \\ \implies \: {x}^{2} +2x - 8$

ANSWER

$\tt \: {\large \boxed{ \green{\tt{\boxed{x^{2} + 2x - 8}}} }}$

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C.x²+2x-8

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