How many solutions does this quadratic equation have? y=x^2-8x-20

Question

Mathematics

Monique May

10 May, 20:34

How many solutions does this quadratic equation have? y=x^2-8x-20

+2

Answers (1)

Know the Answer?

Isaac Hinton · Answer 1

Answer: y=x+2 or x-10

Step-by-step explanation:

Y=x2-8x-20

Quadratic equation

Variables of - 20 that will give - 8 are

-10 &+2

Substitute into the equation

Y=x2-10x+2x-20

Y=x (x-10) + 2 (x-10)

Y = (x+2) (x-10)

The two equations are

Y=x+2 or

Y=x-10