s28561850 s28561850

03-12-2020
Mathematics

contestada

subtract 7x2+4x-9 from 5x2+10x-5

Respuesta :

Аноним Аноним

03-12-2020

Answer:

2x^2-6x-4

Step-by-step explanation:

(7x2 + 4x - 9)

-(5x2 + 10x - 5)

=

7x^2-5x^2=2x^2

4x-10x=-6x

-9-(-5)=-4

thus, your answer is 2x^2-6x-4

Answer Link

rose8963 rose8963

03-12-2020

Answer:

41

Step-by-step explanation:

because I did it on a calculator and get it mentally

Answer Link

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