lozoya3013 lozoya3013

13-09-2020
Mathematics

contestada

(3x2 - 5x + 6) + (2x2 + 7x - 9)
Which of the following is equivalent to the expression above?

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vicklien vicklien

13-09-2020

Answer:
7+2x

Step by step explanation:

(6-5x + 6 ) + (4+ 7x - 9)

=(12 - 5x ) + (-5 + 7x)

=12 - 5x - 5 +7x

=7- 5x + 7x

= 7 + 2x

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