What are all solutions of 2x2 - 5x = x2 - 6x + 2 ?
A) 1
B) 3
C) -2
D) -2,1
E) 1,3

Question

What are all solutions of 2x2 - 5x = x2 - 6x + 2 ?
A) 1
B) 3
C) -2
D) -2,1
E) 1,3

anonymous · Answer

are any of the numbers supposed to be squared?

johnweldon1993 · Answer

2x² - 5x = x² - 6x + 2 ?

First thing you want to do is combine like terms....so try subtract x² from both sides of the equation...and try adding 6x to both sides as well...

this will leave you with

$$\large x^2 + x = 2$$

Can you do this now? you can either complete the square or use the quadratic formula... to solve this...

anonymous · Answer

no

johnweldon1993 · Answer

Lets use the quadratic formula.....we need to set our equation = to 0 and solve for 'x'

$$\large x^2 + x - 2 = 0$$

you have a form of

$$\large ax^2 + bx + c$$

so your 

a = 1
b = 1
c = -2

use the equation

$$\large \frac{ -b \pm \sqrt{b^2 - 4ac} }{ 2a }$$

plug those into the equation and solve

anonymous · Answer

ok hold on

anonymous · Answer

i got 1,-2