Question

Solve for x.

x2 − 9x + 20 = 0

Answer 1

x has two values 4 and 5 by factorization or using the general formula

Answer 2

x=4 or x=5

Explanation:

Let's solve your equation step-by-step.

x2−9x+20=0

Step 1: Factor left side of equation.

(x−4)(x−5)=0

Step 2: Set factors equal to 0.

x−4=0 or x−5=0

x=4 or x=5