true or false number sentences

Question

0

695

1

the square root of (x+1)(x+2) equals the square root of 20, what is the value of x?

Guest Nov 8, 2013

Guest · Answer 1 · 2013-11-08T04:32:26

Square each side
(X+1)(X+2)=20

X^2+3X+2=20
X^2+3X=18

X=-6