Question

x²-3; 2x4 + 3x3- 9x-12 ​

Answer 1

Answer:

x²-3;2×4+3×3-9x-12

x²-3; 8+9-9x-12

x²-3; 16-9x-12

x²-3;7x - 12

x²-3+7x;-12

2x-3+7x; -12

9x-3;- 12

9x; 12+3

9x;9

9x-9= x

So , the answer of your questions is x.

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