Question

z2 -3z - 54 solve by splitting the middle term ​

Answer 1

Step-by-step explanation:

z² -3z - 54=0

z²-9z+6z-54=0

z(z-9)+6(z-9)=0 p=-54

(z-9)(z+6)=0 s=-3

(z-9)=0 or (z+6)=0 no.=-9,-6

z=9 or z=-6

9 and - 6 roots of equation.