subtract x^2–7x+5 from the sum of 2x^2+7x+9 and ‐3x^2+4x-13
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the answer for this question is-2x²+18x-9
all we have to do in this question is to first add 2x²+7x+9 and -3x²+4x-13 which would be -x²+11x-4 then subtract -3x²+4x-13 then the answer is-2x²+18x-9
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