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(9x2 - 7x + 4) + (x2 + 12x - 2)​

Sagot :

88nikitaidn

Answer:

10x^2 + 5x + 2

Step-by-step explanation:

since you're adding, you can take out the parenthesis

9x^2 - 7x + 4 + x^2 + 12x - 2

combine like terms:

10x^2 + 5x + 2

Liono56idn
Answer: (9x2 - 7x + 4) + (x2 + 12x - 2)
(18 - 7x + 4) + (x2 + 12x - 2)
(22 - 7x) + (14x - 2)
22 - 7x + 14x - 2
= 20 + 7x
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