Question

5(a+b)(a²+ab+b²)
My question is that does the 5 multiply (a+b) only or it also multiplies (a²+ab+b²)??

Answer 1

Answer:

it multiplies both

5(a+b) = 5a + 5b

5(a²+ab+b²) = 5a²+5a5b+5b²

Step-by-step explanation:

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Answer 2

Answer:

a²+b²+2a²b+2ab²

Step-by-step explanation:

5(a+b)(a²+ab+b²)

(5a+5b)(a²+ab+b²)

5a(a²+ab+b²)+5b(a²+ab+b²)

5a³+5a²b+5ab²+5a²b+5ab²+5b³

5a²+5b²+5a²b+5a²b+5ab²+5ab²

5a²+5b²+10a²b+10ab². (Factor of 5)

a²+b²+2a²b+2ab²