Question

simplify (2.5a-1.5b)^2 -(1.5a-2.5b)^2I want to thi question
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Answer 1

6.25a^2-7.5ab+2.25b^2-2.25a^2

+7.5ab-6.25b^2 = 4a^2-4b^2

=4(a^2-b^2)