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Solve the equation by factoring. 18a2=8
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Solve the equation by factoring. 18a2=8
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May 27, 2018
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Solve the equation by factoring. 18a2=8
Mathematics
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Justin Lin
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First step is to set it equal to 0, so subtract 8 from both sides.
18a^2-8 =0
Now take out the GCF
2(9a^2-4) = 0
Now both 9 and 4 are squares, so we can do the following:
2(3a+2)(3a-2) = 0
Therefore, a = -2/3 and 2/3
I hope this Helps!
Zhuo
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Jun 1, 2018
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Zhuo
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