Question

Solve the 2 quadratic equation by extracting roots.
1 . x²- 16 = 9
2. 3x² + 9 = -27
Pls show me the solution

Answer 1

Step-by-step explanation:

1)x^2=25

or,x=+5,-5

2)3x^2=-36

or,x^2=-12

or,x=+√12,-√12