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

User Darien Fawkes
by
5.2k points

2 Answers

4 votes

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

User Blue Lovag
by
4.6k points
1 vote

Answer:

Explanation:

Solve the quadratic equation by factoring. 9x^2-16=0-example-1
User David Peterson
by
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