6x^2+2.1x-4.8=-0.3x+6x^2
6x^2+2.1x+0.3x-6x^2=4.8
2.4x=4.8
x= 2
3х(2х+0,7)-4,8=-0,3х(1-20х)
6х^2+2,1х-4.8=-0.3х+6^2x
6х^2+2.1x+0.3x-6^2x=4.8
x=4.8/2.4
x=2
по-моему так))
6x^2+2.1x-4.8=-0.3x+6x^2
6x^2+2.1x+0.3x-6x^2=4.8
2.4x=4.8
x= 2
3х(2х+0,7)-4,8=-0,3х(1-20х)
6х^2+2,1х-4.8=-0.3х+6^2x
6х^2+2.1x+0.3x-6^2x=4.8
2.4x=4.8
x=4.8/2.4
x=2
по-моему так))