Question

z^2 + z-12 factorise the following

Answer 1

z²+z-12=z²+4z-3z-12=z(z+4)-3(z+4)=(z-3)(z+4)

Answer 2

z^2+z-12
= z^2 +4z-3z-12
= z (z+4)-3 (z+4)
= (z-3)(z+4)
plz mark this as brainlist