Question

Решите уравнения (2-х)²-х(х-1.5)=4

Answer 1

(2-x)^2-x(x-1.5)=4
4-4x+x^2-x^2+1.5=4
-2.5x=4-4
-2.5=0
x=0:(-2.5)
x=0

Answer 2

4-2x+x²-x²-1.5=4
2x+x²-x²-1.5=4+4
0.5=8
x=8:0.5
x=16