Answer
-4x$^5$+7x$^4$-10x+23
Work Step by Step
(-2x$^5$+x$^4$-3x+10)-(2x$^5$-6x$^4$+7x-13)
-2x$^5$+x$^4$-3x+10-2x$^5$+6x$^4$-7x+13
(-2x$^5$-2x$^5$)+(x$^4$+6x$^4$)+(-3x-7x)+(10+13)
-4x$^5$+7x$^4$-10x+23
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