Math, asked by munazarizwan, 8 months ago

Q.12: Subtract a2-a + 1 from the sum of -a2 + 2a +3 and 3a2-4a +5.

Answers

Answered by aaltra

3

Step-by-step explanation:

-a2 + 2a +3

(+)3a2-4a +5

__________

2a2-2a+8

Now,

2a2-2a+8

(-) a2-a + 1

__________

a2-a+7

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