Question

решите уравнение:0,4x(5x-2)+9,6=2x(2+x)

Answer 1

2x^2-0,8x+9,6=4x+2x^2
-4.8x=-9,6
x=2

Answer 2

0,4x(5x-2)+9,6=2x(2+x)

2x^2-0.8x+9.6=4x+2x^2 2x^2-2x^2-0.8x-4x=-9.6 -4.8x=-9.6 x=2

Answer 3

спсибо

Answer 4

2x^2 - 0.8x +9.6 = 4x + 2x^2
-4.8x = -9.6 
x = 2