Question

(4x²-3+7) - (x²+8x-5)
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Answer 1

$\huge\sf\pink{Answer}$

8x+4 - 10x-5

8x-10x+4-5

2x-1

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hopefully it helps

Answer 2

(4x²-3+7) - (x²+8x-5)

(4x²+4) - (x²+8x-5)

4x²- x² + 8x - 5 + 4

3x² + 8x - 1