Question

multiply (a+ 3b) and (a+5b)​

Answer 1

Step-by-step explanation:

(a+3b)x(a+5b)

a(a+5b)+3(a+5b)

a²+5ab+3a+15b

a²+3a+15b+5ab

Answer 2

Answer:

${a}^{2} + 8ab + 15b^{2}$

Step-by-step explanation:

Hope it helps you

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