Resposta :
4x²+14x-3
A=6x²-3x-8
B=5x²+4x-3
C=x2²-10x
B-C
(5x²+4x-3)-(x²-10x)
5x²+4x-3-x²+10x
5x²-x²+4x+10x-3
4x²+14x-3
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04/04/22

A=6x²-3x-8
B=5x²+4x-3
C=x2²-10x
B-C
(5x²+4x-3)-(x²-10x)
5x²+4x-3-x²+10x
5x²-x²+4x+10x-3
4x²+14x-3
04/04/22