z²+19z-150 factorisation
Answers
Answered by
6
Answer:
Step-by-step explanation:
z²+19z-150
= z²-6z + 25z -150
= z(z-6) + 25(z-6)
= (z-6), (z+25)
Answered by
2
Answer:
6
Step-by-step explanation:
z^2-6z+25z-150=0
z(z-6)+25(z-6)=0
(z+25)(z-6)=0
z=-25(rejected)
z=6
6 is the answer
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