Solve the quadratic equation by factoring. 9x^2-16=0

Question

asked Apr 12, 2021 125k views

2 Answers

Blue Lovag · Answer 1 · 2021-04-15T05:02:19+0000

Answer:

x= +- 4/3

Explanation:

(3x+4)(3x-4)=0

make each equation set to 0 and solve

3x+4=0

subtract 4 from both sides

3x=-4

divide both sides by 3

x=-4/3

3x-4=0

add 4 to both sides

3x=4

divide both sides by 3

x=4/3