Solve the quadratic equation. x2+2x-8=0

Question

Mathematics

Ryder Estrada

25 January, 01:44

Solve the quadratic equation. x2+2x-8=0

+3

Answers (2)

Know the Answer?

Ward · Answer 1

x=2 or x=-4

Step-by-step explanation:

ax^2+bx+c=0

when solving this equation you should find two numbers that if we multiply them we get c and when we subtract them we get b so in this equation we get 2 and - 4

Soren Conner · Answer 2

x=2 x=-4

Step-by-step explanation:

x2+2x-8=0

Step 1: Factor left side of equation.

(x-2) (x+4) = 0

Step 2: Set factors equal to 0.

x-2=0 or x+4=0

x=2 or x=-4

Answer:

x=2 or x=-4