Question

Use the Quadratic Formula to solve the equation.

-2x ^2 - 5x + 5 = 0

Answer 1

do you know formula or not

Answer 2

@shopat just use this https://www.mathway.com/

Answer 3

A = -2
B = -5
C = 5

\(\ \sf x = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a} \)

\(\ \sf \dfrac{ -(-5) \pm \sqrt{-5^2 -4(-2)(5)}}{2(-2)} \)

\(\ \sf \dfrac{5 \pm \sqrt{25 - 40}}{-4} \)

Continue to solve.

Answer 4

Typo, \(\ \ \sf \dfrac{5 \pm \sqrt{25 + 40}}{-4} \)

Answer 5

@Maria195 thank you!!
@tHe_FiZiCx99 - I got it thanks!!

Answer 6

You're welcome!

Answer 7

You're welcome :D