Is there an equation with the question? This doesn't mean anything^
It goes in evenly 2 times
<span> x^2+8x+12 = </span>(x + 6)(x + 2)
X + (4x+15) = 180
5x+15=180
5x=165
x=33
4(33)+15=147. (Or you could subtract 33 from 180)
Check answer: 33+147=180 yes