(x⁴ + 3x³ – 2x² + 5) + (2x⁴ – 5x³ + 4x

Cyt asked Aug 7, 2022

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(x⁴ + 3x³ – 2x² + 5) + (2x⁴ – 5x³ + 4x – 15).

Cyt asked Aug 7, 2022

by Cyt

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19 votes

Answer:

$\left(x^4+3x^3-2x^2+5\right)+\left(2x^4-5x^3+4x-15\right)$

x^4+3x^3-2x^2+5+2x^4-5x^3+4x-15

=x^4+2x^4+3x^3-5x^3-2x^2+4x+5-15

=x^4+2x^4-2x^3-2x^2+4x+5-15

=3x^4-2x^3-2x^2+4x+5-15

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

OAmalOHopeO

Peterxz answered Aug 13, 2022

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