Question

@3mar brother help please

Answer 1

Sorry for being late!

Answer 2

\[(x-1)^2=x^2-2x+1\]

Answer 3

@zarkam21
Firstly, you have to expand the right-hand side parenthesis and don't forget to distribute 4 to the output!

Answer 4

ax^2+bx+c=0
is the standard form of quadratic eq.
where a,b,c are constants.

Answer 5

Um :(

Answer 6

Start by expanding this: (x-1)^2.

Answer 7

i have given the formula for (x-1)^2

Answer 8

So (x-1)(x+1)?

Answer 9

@zarkam21
Tell me where are you are stuck in order to I can help you!

Answer 10

YES, that is the key!
Do this multiplication!

Answer 11

is it 4x^2?

Answer 12

I mean \((x-1)^2=(x-1)(x-1)\)

Answer 13

and then

Answer 14

then multiply :