2x - 3y is a factor of : |
$4x^2 + 2x - 3y + 9y^2 - 12xy$ $8x^3 + 27y^3$ $4x^2 + 9y^2 + 12xy$ $4x^2 + 2x - 3y + 36y^2 + 12xy$ |
$4x^2 + 2x - 3y + 9y^2 - 12xy$ |
We know that, (a - b)2 = a2 + b2 - 2ab (2x - 3y)2 = 4x2 + 9y2 - 12xy So, 2x - 3y is a factor of 4x2 + 9y2 - 12xy |