Respuesta :

Answer:


=x^2+5x+2+−1(5x^2−x−2)

=x^2+5x+2+−1(5x^2)+−1(−x)+(−1)(−2)

=x^2+5x+2+−5x^2+x+2

=x^2+5x+2+−5x^2+x+2

=(x^2+−5x^2)+(5x+x)+(2+2)

=−4x^2+6x+4


Answer:

-4x^2 +6x+4

Step-by-step explanation:

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

Distribute the minus sign

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

I like to line them up vertically

x^2 +5x+2

- 5x^2+x+2

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-4x^2 +6x+4