Solve the quadratic equation by factoring. 9x^2-16=0
2 answers:
Answer:
Step-by-step explanation:
Answer:
x= +- 4/3
Step-by-step 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
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