不等式(1/2)^2x^+5x-6>2^8-8x-x^2解集

问题描述:

不等式(1/2)^2x^+5x-6>2^8-8x-x^2解集
(1/2)^2x^2+5x-6>2^8-8x-x^2解集

(1/2)^2x^2+5x-6>2^8-8x-x^2
(1/4)x^2+5x-6=128-8x-x^2
x^2+20x-24=512-32x-4x^2
5x^2+52x-536=0
题目似乎有问题?Ӧ��ľ�а�2^8,�������二的8-8x-x^2方(1/2)^(2x^2+5x-6)>2^(8-8x-x^2)2^(-2x^2-5x+6)>2^(8-8x-x^2)���ԣ�-2x^2-5x+6>8-8x-x^2-x^2+3x-2>0x^2-3x+2