Question

Solve 8x2 + 7x - 15 = - 7.

Answer 1

say 8x2 you mean 8x^2, so for that move the -7 from the left side making the equation

8x^2 + 7x - 8 = 0

From there you simply use the quadratic equation:
x = 1/16 (-7-sqrt(305))
x = 1/16 (sqrt(305)-7)

Answer 2

What would the answer come out to. Would it be something like \[\frac{ -7+\sqrt{305} }{ 16 }\]

Answer 3

@Littlemsadventuretime

Answer 4

yes exactly:)

Answer 5

Is that the only answer or is there another

Answer 6

Nope thats it. I mean thats what i got

Answer 7

Ok great thank you!

Answer 8

Really quick would the answer to -x2 - 3x + 1 = 0 be \[\frac{ -3+\sqrt{13} }{ 2 }\]

Answer 9

@Littlemsadventuretime

Answer 10

yes:)