2 years ago

Subtract polynomials: (-4x^3+5x^2-x+3)-5(x^4-2x^3+x^2)

Mathematics

1 answer:

denis-greek [22]2 years ago

8 0

9514 1404 393

Answer:

-5x^4 +6x^3 -x +3

Step-by-step explanation:

First, eliminate parentheses.

(-4x^3+5x^2-x+3)-5(x^4-2x^3+x^2)

= -4x^3 +5x^2 -x +3 -5x^4 +10x^3 -5x^2

Then collect terms.

= -5x^4 +(-4+10)x^3 +(5 -5)x^2 -x +3

= -5x^4 +6x^3 -x +3

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