dfranzese0609 dfranzese0609

09-03-2021
Mathematics

contestada

adding and subtracting polynomials

(-3x² - 9x + 5) - ( -2x²- 4x + 7)

Respuesta :

ramailosansar4t5 ramailosansar4t5

09-03-2021

Answer:

(-3x²- 9x+5) - (-2x²-4x +7)

= (-3x²- 9x²+5) (2x²+4x +7)

=-3x²-9x+5+2x²+4x-7

=-3x²+2x²-9x+4x+5-7

=-x²-5x-2

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