Respuesta :

Answer:

1.  (q² + 8) - (4q² + 1)

Simplify each term.

q²+8−4q²−1

Simplify by adding terms.

−3q²+7

2. (3x + 7x² - 6) - (5x² + x + 9)​

Simplify each term.

3x+7x²−6−5x²−x−9

Simplify by adding terms.

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2x²+2x−15

Step-by-step explanation:

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Question 1
= q^2 -4q^2 + 8 -1
= 3q^2 + 7

Question 2
=7x^2 - 5x^2 + 3x - x -6 - 9
=2x^2 + 2x - 15

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