Question

Write the product as a trinomial.

(x + 3)(x + 4)


x2+ 7
x2 + 7x + 12
x2 + 12x + 7
x2 + 12x + 12

Answer 1

expand it

Answer 2

x*(x+4)+3*(x+4)
x^2+4x+3x+12
=x^2+7x+12

Answer 3

but where did you get 12 from, that's what i'm confused about

Answer 4

@g17

Answer 5

3*(x+4)=3*x+3*4=3x+12