marissy8888 marissy8888

14-10-2020
Mathematics

contestada

Please help! I need to multiply these with step by step work (x^2+2x+8)(x^2-x+1)

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Mccainmusic691 Mccainmusic691

14-10-2020

Answer:

x^4+x³+7x²-6x+1

Step-by-step explanation:

(x²+2x+8)(x²-x+1)

distribute

x²(x²-x+1)

x^4-x³+x²

2x(x²-x+1)

2x³-2x²+2x

8(x²-x+1)

8x²-8x+1

x^4-x³+x²+2x³-2x²+2x+8x²-8x+1

combine like terms

x^4+x³+7x²-6x+1

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