Question

|2x-1|+|x+3|=5.......... find all real numbers

Answer 1

I2x-1I+Ix+3I=5
I2x-1I=5-Ix+3I

Answer 2

now square both sides

Answer 3

can u?

Answer 4

one moment im just working through it

Answer 5

sorry im just learning i dont know where to take the square

Answer 6

I2x-1I+Ix+3I=5
I2x-1I=5-Ix+3I
Squaring both sides gives,
(2x-1)^2= (5-Ix+3I)^2
4x^2 -4x+1=25-10Ix+3I+x^2+6x+9
3x^2-10x-33=-10Ix+3I

Answer 7

Now, can u?

Answer 8

yes thanks