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Find the product (5x-3)(x^3-5x+2)

User JohnMcG
by
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2 Answers

1 vote
(5x-3)(x^3 - 5x +2)

Use 5x to multiply each of (x^3 - 5x +2) and -3 to multiply each of (x^3 - 5x +2)

= 5x(x^3) +5x(-5x) +5x(2) -3(x^3) -3(-5x) -3(+2).
= 5x^4 - 25x^2 + 10x - 3x^3 + 15x - 6. Rearrange and Regroup
= 5x^4 - 3x^3 - 25x^2 + 10x +15x -6.
= 5x^4 - 3x^3 - 25x^2 + 25x -6.

That's it.
User Mentos
by
8.4k points
3 votes

(5x-3)(x^3-5x+2)=5x^4-25x^2+10x-3x^3+15x-6=\\\\ 5x^4-3x^3-25x^2+25x-6\\\\ Product\ is\ equal\ to\ 5x^4-3x^3-25x^2+25x-6
User Cristian Meneses
by
7.7k points

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