Question

solve for X: square root x^2-x-5=5

A. -5
B. -6
C. 6
D. -5,6

Answer 1

the square root is over whole problem

Answer 2

@jim_thompson5910

Answer 3

do you mean

\[\sqrt{x^2-x-5} = 5\]

Answer 4

yep

Answer 5

so how would I go about solving it?

Answer 6

I got -5

Answer 7

\[\large \sqrt{x^2-x-5} = 5\]

\[\large x^2-x-5 = 5^2\]

\[\large x^2-x-5 = 25\]

\[\large x^2-x-5 - 25 = 0\]

\[\large x^2-x-30 = 0\]

Answer 8

I'll let you finish

Answer 9

yep I got my answer -5 that right?

Answer 10

\[\large x^2-x-30 = 0\]

\[\large (x+5)(x-6) = 0\]

Answer 11

-5.6 is the answer?

Answer 12

better, it's 6, -5 or -5, 6

Answer 13

sorry haha that what I ment t type lol

Answer 14

that's fine