subtract the sum of 2x²-4x+11 and 7x²-4x+1 from the sum of 8x²-7x-7 and 6x²+4x-6.
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Step-by-step explanation:
sum of first two equation
2x ^ 2- 4x + 11 + 7x ^ 2 - 4x + 1
= 9x ^ 2 - 8x + 12
sum of 2nd two equation
8x ^ 2 - 7x - 7 + 6 x ^ 2 + 4x - 6
= 14 x ^ 2 - 3x - 13
subtracting
14 x ^ 2 - 3x - 13 - 9 x ^ 2 - 8 x + 12
= 5 x ^ 2 - 11x - 1
hope u like it
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