(3x+1/2x)^2 - ( 3x - 1/2x)^2
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Answer:
3x^2
Step-by-step explanation:
(3x+1/2x)^2 - ( 3x - 1/2x)^2
9x^2+1/4x^2+3/2x^2-9x^2-1/4x^2+3/2x^2
3/2(x^2+x^2)
3/2(2x^2)
3x^2
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