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Let f(x)=x^2+3x-4 and g(x)=x+5. Find f(x)•g(x)

a. x^3+3x^2+16x-20
b. x^3+5x^2+14x-20
c. x^3-8x^2+11x-20
d. x^3+9x^2+19x-20

Respuesta :

Answer:

C is the answer

Step-by-step explanation:

learner7212

Answer:

none of them is correct. Option c would have been correct if it was +8x² instead of -8x².

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