Question

how do i solve -2 square root of (5x + 5) equals -30?

Answer 1

first square both sides

Answer 2

so is it (5x+5)^2 equals (-30)^2?

Answer 3

\[-2\sqrt{5x+5}= -30\]

Answer 4

what do i do with the -2?

Answer 5

i'm lost

Answer 6

I would divide both sides by -2 first so the numbers come out really nicely. Then square both sides.

Answer 7

can you show me?

Answer 8

\[-2\sqrt{5x+5} = -30\]
\[\sqrt{5x+5} = 15\]

Answer 9

Then square both sides.

Answer 10

oh thank you :)