Factorise (4-x)^2-2x
Answers
Answered by
1
Answer:
(4-x)^2-2x= 0
{a^2-b^2} = a^2 +b^2- 2ab
4^2 + x^2- 2•4•x -2x= 0
16+ x^2- 8x- 2x= 0
x(x- 8) +2(x- 8)= 0
(x- 8) (x+ 2)= 0
x-8= 0 , x=8
x+2= 0 , x=( -2)
Answered by
2
Answer:
Enter a problem...
Precalculus Examples
Popular Problems Precalculus Solve by Factoring 4x^2-2x=0
4
x
2
−
2
x
=
0
4x2-2x=0
Factor
2
x
2x out of
4
x
2
−
2
x
4x2-2x.
Tap for more steps...
2
x
(
2
x
−
1
)
=
0
2x(2x-1)=0
Divide each term in
2
x
(
2
x
−
1
)
=
0
2x(2x-1)=0 by
2
2.
2
x
(
2
x
−
1
)
2
=
0
2
2x(2x-1)2=02
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