Question

from the sum of 3x²-6x+8 and -4x²+7x-6 subtract 6x²+5x-6​

Answer 1

Answer:

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Answer 2

Answer:

Sum of  3x²-6x+8 and -4x²+7x-6

⇒  (3x²- 6x + 8) + (-4x² + 7x - 6)

⇒  3x²- 6x + 8 - 4x² + 7x - 6

⇒  3x²- 4x² - 6x + 7x + 8 - 6

⇒  -x² + x  + 2

Difference between  -x² + x  + 2 and  6x²+5x-6​

⇒ -x² + x  + 2 - (6x²+5x-6​)

⇒ -x² + x  + 2 - 6x² - 5x + 6

⇒ -x² - 6x² + x - 5x + 2 + 6

⇒ -7x²- 4x + 8 ans

HOPE IT HELPS :)