решите уравнение
1)(7-8х)(2х+1)+(4х-1)^2=0
2)(2х-5)^2-(2х-3)(2х+3)=15
3)(3х+5)(3х-5)-(3х-1)^2=-4
4)(9х+2)(1-4х)+(5-6х)^2=-32
1)(7-8х)(2х+1)+(4х-1)^2=0
2)(2х-5)^2-(2х-3)(2х+3)=15
3)(3х+5)(3х-5)-(3х-1)^2=-4
4)(9х+2)(1-4х)+(5-6х)^2=-32
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Answers & Comments
1) 4
2)0.95
3) 3.6
4)1