Thread: Precalc

Solve for x:
(15x+4)^1/2=4-(2x+3)^1/2

Thank you!

Originally Posted by ss103

Solve for x:
(15x+4)^1/2=4-(2x+3)^1/2

Thank you!

start by squaring both sides



so we have

now what?

how did you get the second half of the equation?
(on the other side of the equal sign)

Originally Posted by ss103

how did you get the second half of the equation?
(on the other side of the equal sign)

I was off by a sign. it should be

all i did was solve the equation for by moving everything else over the equal sign