Question

multiply the binomials
1. (a^2+b) (a+b^2)​

Answer 1

$(a^{2} + b)(a + b ^{2} ) \\ = a ^{3} + a^{2} b^{2} + ab + b ^{3} \\ = a ^{3} + b ^{3} + a^{2} b^{2} + ab$

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