Math, asked by satdvg76, 11 months ago

What expression must be added to 5a^2-3a+12 to get 9a^2-7​

Answers

Answered by pragatiraj1412
2

Step-by-step explanation:

Let the number to be added be X

so

5a^2 -3a + 12 + X = 9a2 - 7

=》 X = 9a^2 - 5a^2 + 3a - 7 - 12

=》 X = 4 a^2 + 3a - 18

Ans: 4a2 + 3a - 18

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