Question

Solve –3x2 + 30x – 90 = 0

Answer 1

factor out the 3

-3(x^2-10x+30)
Use quadratic formula to solve next.

Answer 2

\[\frac{ -b \pm \sqrt{b ^{2}-4ac} }{ 2a }\]

Answer 3

The Answer I Got Was \[X=5\pm 2i \sqrt{5} \]

Answer 4

@abb0t

Answer 5

–3x2 + 30x – 90 = 0
3x^2 - 30x + 90 = 0
3(x^2 - 10x + 30) = 0
x^2 - 10x + 30 = 0

That should make it easier

Answer 6

@hero so is my answer correct

Answer 7

Looks about right, haven't solved for it. You can leave the "i" inside the root.