解不等式或方程(1)10-4(x²+x-3)≤2(-2x²+x-1)(2)2x(7-3x)+5x(2x+1)=x(4x-3)+32
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解不等式或方程(1)10-4(x²+x-3)≤2(-2x²+x-1)(2)2x(7-3x)+5x(2x+1)=x(4x-3)+32
解不等式或方程
(1)10-4(x²+x-3)≤2(-2x²+x-1)
(2)2x(7-3x)+5x(2x+1)=x(4x-3)+32
解不等式或方程(1)10-4(x²+x-3)≤2(-2x²+x-1)(2)2x(7-3x)+5x(2x+1)=x(4x-3)+32
5-2x²-2x+6≤-2x²+x-1 12≤3x x≥4
14x-6x²+10x²+5x=4x²-3x+32 22x=32 x=16/11