Factorize 4x^2-y^2-4x+4y-3?

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Factorize 4x^2-y^2-4x+4y-3?

2007-03-18 23:51:17 · 4 answers · asked by Whatever 1 in Science & Mathematics ➔ Mathematics

4 answers

Let us collect x terms and y terms

(4x^2-4x)-(y^2-4y) - 3
can we make perfect square
= (4x^2-4x+1) - (y^2-4y+4) ; yes we could do
= (2x-1)^2 -(y-2)^2
=(2x-1+y-2)(2x-1-y + 2)
= (2x+y-3)(2x-y+1)

2007-03-19 00:05:32 · answer #1 · answered by Mein Hoon Na 7 · 0⤊ 0⤋

= 4(x^2-1) - (y-1)(y-3)=
(x-1)(4x+4-y+3)=
(x-1)(4x-y+7)

2007-03-19 07:25:09 · answer #2 · answered by Sarah 2 · 0⤊ 0⤋

4x(x-1) - y (y-4) - 3

2007-03-19 06:58:25 · answer #3 · answered by Kapil 3 · 0⤊ 0⤋

4x(x-1)+(y-1)(3-y)

2007-03-19 06:57:00 · answer #4 · answered by blighmaster 3 · 0⤊ 0⤋