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Start by identifying the like terms. The x2 terms are 3x2 and 2x2, the x terms are 5x and −4x, and 7 is the constant.

A graph showing 3x to the power of 2. It has the 3 labeled as the coefficient, the x as the variable and the power of 2 as the exponent. A black dotted line. A black dotted line.