Решите уравнение. 4x = x ( 2x + 5,3 )

Question

Решите уравнение.
4x = x ( 2x + 5,3 )

Answer 1

4x = x ( 2x + 5,3 )
4х=2х² +5.3х
4х-2х² -5.3х=0
х*(4-2х-5.3)=0
х*(-1.3-2х)=0
х=0
х=-13/20
х1=-13/20
х2=0

Answer 2

4x = x ( 2x + 5,3 )
х = - 0.65,
Х = 0

Comments

Илиже 4х=х*3

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х=0