(5х – 1)(2х+1) – 10х2=0,6

Question

(5х – 1)(2х+1) – 10х2=0,6

Answer 1

10x^2+5x-2x-1-10x^2=0.6
3x-1=0.6
3x=0.6+1
3x=1.6
x=1.6/3
xпримерно=0.6

Comments

А если дробью?

Answer 2

Ответ : 8/15.
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