Question

a(a+b).3-3a. 2b(a+b)

Answer 1

hope it may help u



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Answer 2

.(a+b)^3 - 3a^2b (a+b)

a(a+b){(a+b)² - 3ab}

=a(a+b){(a²+2ab+b²) - 3ab}

=a(a+b){a²+2ab+b² - 3a^2b}

=a(a+b){a²ab+b² }....