Question

simplify

$(a + b) {?}^{2}$


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Answer 1

Answer:

a^2+b^2+2ab

hope it will helpful to you

Answer 2

Answer:

(a+b)^2=(a+b)*(a+b)

                  so; a*a=a^2

                        a*b=ab

                        b*a=ab

                        b*b=b^2

therefore; (a+b)^2=a^2 +ab+ab+b^2

                            =a^2+2ab+b^2

Step-by-step explanation:

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