$(4 \mathrm{x}+10)(\mathrm{x}-10)$
A) $4 x^{2}+30 x-100$
B) $x^{2}-100 x-30$
C) $x^{2}-30 x-31$
D) $4 x^{2}-30 x-100$

Name: $(4 \mathrm{x}+10)(\mathrm{x}-10)$ A) $4 x^{2}+30 x-100$ B) $x^{2}-100 x-30$ C) $x^{2}-30 x-31$ D) $4 x^{2}-30 x-100$
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Question

Quizplus · Accepted Answer

Expanding the given expression $(4x+10)(x-10)$ using the distributive property (FOIL method), we get $4x^2 - 40x + 10x - 100$, which simplifies to $4x^2 - 30x - 100$.

(4x+10)(x−10)(4 \mathrm{x}+10)(\mathrm{x}-10)(4x+10)(x−10) A) 4x2+30x−1004 x^{2}+30 x-1004x2+30x−100 B) x2−100x−30x^{2}-100 x-30x2−100x−30 C) x2−30x−31x^{2}-30 x-31x2−30x−31 D) 4x2−30x−1004 x^{2}-30 x-1004x2−30x−100

$(4 \mathrm{x}+10)(\mathrm{x}-10)$ A) $4 x^{2}+30 x-100$ B) $x^{2}-100 x-30$ C) $x^{2}-30 x-31$ D) $4 x^{2}-30 x-100$