Multiply the polynomial (x+3)(x+4) A)x^2+7 B)x^2+12 C)x^2+7x+12

asked Feb 10, 2019 86.5k views

2 votes

Multiply the polynomial (x+3)(x+4)

A)x^2+7
B)x^2+12
C)x^2+7x+12

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3 votes

$(x + 3)(x + 4) \\ = x(x + 4) + 3(x + 4) \\ = {x}^(2) + 4x + 3x + 12 \\ = {x}^(2) + 7x + 12$
Answer is c

Neil Anderson answered Feb 12, 2019

7.7k points

4 votes

It is c and that is right please thank me

Robjam answered Feb 13, 2019

7.8k points

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