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Multiply and simplify
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Multiply and simplify

Multiply and simplify-example-1
User Panagiotis Vrs
by
8.4k points

1 Answer

6 votes

Answer:


\Huge\boxed{2x^3+5x^2-7x+20}

Explanation:


\text{Use FOIL:}\\\\(a+b)(c+d)=ac+ad+bc+bd


(x+4)(2x^2-3x+5)\\\\=(x)(2x^2)+(x)(-3x)+(x)(5)+(4)(2x^2)+(4)(-3x)+(4)(5)\\\\=2x^3-3x^2+5x+8x^2-12x+20\\\\\text{combine like terms}\\\\=2x^3+(-3x^2+8x^2)+(5x-12x)+20\\\\=2x^3+5x^2-7x+20

User Wasd
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