sadaixo sadaixo

12-07-2022
Mathematics

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Let R(x)=3x^3+2x^2+x and S(x)=4+1. Find R(x) * S(x)

Pls help!!!!

Let Rx3x32x2x and Sx41 Find Rx Sx Pls help class=

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unicornetfairies unicornetfairies

18-07-2022

3x^3 x 4x^2 = 12x^5

3x^3 x 1 = 3x^3

2x^2 x 4x^2 = 8x^4

2x^2 x 1 = 2x^2

1x x 4x^2 = 4x^3

1x x 1 = 1x

12x^5 + 3x^3 + 8x^4 + 2x^2 + 4x^3 + 1x

Simplify

12x^5 + 7x^3 + 8x^4 + 2x^2 + 1x

Thus, answer is B

Hope this helps!

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