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Find the area of 10x^2+9x+2 when the the width is 2x+1
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Find the area of 10x^2+9x+2 when the the width is 2x+1

User Jwernerny
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1 Answer

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Multiply using foil method

(2x+1)(10x^2+9x+2)

1) 2x(10x^2+9x+2) + 1(10x^2+9x+2)

2) 20x^3+18x^2+4x+10^2+9x+2

3) 20x^3+28x^2+13x+2
User Cmartin
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