candice25 candice25

27-11-2019
Mathematics

contestada

4. Simplify the expression:
7x2 - 6+4x +7-5x² + x
A. 2x² + 5x +1
B. 2x² + 4x +1
c. 12x? +5x+1
D. 12x2 + 4x +1

Respuesta :

Yang100 Yang100

27-11-2019

Answer:

A) 2x^2+5x+1

Step-by-step explanation:

7x^2-6+4x+7-5x^2+x

7x^2-5x^2+4x+x-6+7

2x^2+5x-6+7

2x^2+5x+1

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