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01-03-2019
Mathematics

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If s(x) = 2x^2+3x-4, and t(x) =x+4 then s(x) · t(x) =

Show your work.

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01-03-2019

Answer:

2x³ + 11x² + 8x - 16

Step-by-step explanation:

Multiply:

(x + 4) (2x² +3x - 4)

2x³ + 3x² - 4x + 8x² + 12x - 16

Combine like terms:

2x³ + 11x² + 8x - 16

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