horsegirl1837 horsegirl1837

31-10-2021
Mathematics

contestada

subtract (9x+8) from the sum of (3x^2-2x-x^3+2) and (5x^2-8x-x^3+4)

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kibuddesteven kibuddesteven

31-10-2021

Step-by-step explanation:

Sum = 5x^2+3x^2-2x-8x-x^3-x^3+2+4

= 8x^2-10x-2x^3+6

Difference = 8x^2-10x-2x^3+6-(9x+8)

= 8x^2-19x-2x^3-2

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