Multiply: $(x+3)(x-4)(x+5)$.

Given: $(x+3)(x-4)(x+5)$.

To do: To find the product.

Solution: 

$(x+3)(x-4)(x+5)$

$=( x^2-4x+3x-20)( x+5)$

$=( x^2-x-20)( x+5)$

$=x^3-x^2-20x+5x^2-5x-100$

$=x^3+5x^2-25x-100$

Tutorialspoint

Updated on: 10-Oct-2022

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