Math, asked by rahuljaan589, 6 months ago

(7x²-9x+8)-(5x²+2x12)+(2x²-4x+3)

Answers

Answered by pousalidolai59

3

Answer:

$(7x²-9x+8)-(5x²+2x12)+(2x²-4x+3) \\ = 7x²-9x+8-5x² - 2x - 12+2x²-4x+3 \\$

$7x²-9x+8-5x² - 2x - 12+2x²-4x+3 \\ = {4x}^{2} - 15x - 1$

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