Answer
-2x$^2$+4x
Work Step by Step
Distribute the negative sign to the parentheses and then combine like terms.
(3x$^2$-2x)-(5x$^2$-6x)
3x$^2$-2x-5x$^2$+6x
(3x$^2$-5x$^2$)+(-2x+6x)
-2x$^2$+4x
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