Question

factorise the following
${12x}^{2} - 11xyz - 15 {y}^{2} {z}^{2}$
​

Answer 1

12x²-11xyz-15y²z²

=12x²-20xyz+9xyz-15y²z²

=4x(3x-5yz)+3yz(3x-5yz)

=(4x+3yz)(3x+5yz)

hope it help u