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