SOLUTION: Can someone show me how to solve 64x^4 - 36x^2 = 0
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Question 90705
:
Can someone show me how to solve 64x^4 - 36x^2 = 0
Answer by
scott8148(6628)
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factoring gives (x^2)(64x^2-36)=0 ... factoring again gives (x)(x)(8x+6)(8x-6)=0
x=0 ...
8x+6=0 ... 8x=-6 ... x=-6/8 or -3/4 ...
8x-6=0 ... 8x=6 ... x=6/8 or 3/4
