Question

y^2+8zx-2xy -4yz factorize by groping method

Answer 1

y² + 8zx - 2xy - 4yz
=> y² - 2xy + 8xz - 4yz
=> y ( y - 2x ) + 4z ( 2x - y)
=> y ( y - 2x ) - 4z (y - 2x )
=> (y - 4z)(y - 2x)

Answer 2

= y2 - 4yz -2xy +8zx

= y(y-4z) - 2x(y-4z)

= (y-2x) (y-4z)