Answer:
Step-by-step explanation:
4-81x^2=0
(2-9x)(2+9x)=0
Equation 1
2-9x=0
-9x= -2
x=2/9
Equation 2
2+9x=0
9x= -2
x= -2/9
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Verified answer
Answer:
Step-by-step explanation:
4-81x^2=0
(2-9x)(2+9x)=0
Equation 1
2-9x=0
-9x= -2
x=2/9
Equation 2
2+9x=0
9x= -2
x= -2/9