Question

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

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

Answer 1

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

Answer 2

It is c and that is right please thank me