Question

Solve Quadratic Equations by Factoring: Solve by factoring and using the Zero Product Property: 1. X^2-25=0 2. X^2=1=0 3. X^2=x+20 WILL MARK BRAINLIEST!!

Answer 1

Answer:

1. $x = \pm 5$

2. $x = \pm i$

3. $x = 5, -4$

Step-by-step explanation:

1.

$x^2-25=0$

$x^2 = 25$

$x = \pm \sqrt{25}$

$x = \pm 5$

2.

$x^2 + 1 = 0$

$x^2 = -1$

$x = \pm \sqrt{x-1}$

$x = \pm i$

3.

$x^2=x+20$

$x^2 - x - 20 = 0$

$(x-5)(x+4)=0$

$x = 5, -4$