13) From the sum of 4 + 5x and 7 – 6x + 3x 2
, subtract the sum of 3x2
– 2x and -2x2
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13) From the sum of 4 + 5x and 7 – 6x + 3x 2
, subtract the sum of 3x2
– 2x and -2x2
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Step-by-step explanation:
(4+5x)+(7-6x+3x^2) = 3x^2-x+11 -----------> (1)
(3x^2-2x)+(-2x^2) = x^2-2x -----------------> (2)
(1)-(2) -----> 3x^2-x+11-x^2+2x = 2x^2+x+11
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