Question

(P2+7p-5) (p+3) with expolution​

Answer 1

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(p² + 7p - 5)(p+3)

=> p( p² + 7p - 5) +3 ( p² + 7p - 5)

=> p³ + 7p² - 5p + 3p² + 21p - 15

[ place similar terms in one side ]

=> p³ + 7p² + 3p² - 5p + 21p - 15

=> p³ + 10p² + 16p - 15

So, our answer is -

p³ + 10p² + 16p - 15