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Torey Greenfelder ∙
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7x2 -4x -5x2 +2x = 2x2 -2x
It is: 4x squared
It equals 53X- a number is squared when it is multiplied by itself, so 7X by 7X = 49X. 2X by 2X =4X, so 49X + 4X is 53X.
d/dx 2x^2 = 4x
(2x+3)(2x+4)