Question

4x²-2x-2=0.
please help me why it's
2x²-x-1=0​

Answer 1

Answer:

Step-by-step explanation:

4x²-2x-2=0

If we take 2 common grom the equation:

2( 2x² - x -1) = 0

Now the 2 can easily be sent to other side:

2x² - x -1 = 0/2

So, we're left with:

2x² - x - 1 =0