Multiply (5x2 + x − 4)(x + 2).
2 answers:
Answer:
5x^3 + 11x^2 -2x -8 (c)
Step-by-step explanation:
(x + 2)(5x^2 + x - 4) =
x(5x^2 + x - 4) + 2(5x^2 + x - 4) =
5x^3 + x^2 - 4x + 10x^2 + 2x - 8 =
5x^3 + 11x^2 - 2x - 8 <===
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Step-by-step explanation:
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