Factors of -:
a) z^2-4z-12
Answers
Answered by
15
z²+2z-6z-12
z(z+2)-6(z+2)
(z+2)(z-6)
hope this helps u
z(z+2)-6(z+2)
(z+2)(z-6)
hope this helps u
Gaganjilavi:
Wait
Plzzz one more question
what happen
okk
5(2x+1) (3x+5) - (2x+1) find the factor
sorry dear dont know this so sorry
Ok np
:)
all the best 4 ur exams
Thank you
Answered by
10
z^2 -4z-12
= z^2 - (6-2)z - 12
= z^2 -6z + 2z -12
= z(z-6) +2 (z-6)
=(z-6)(z+2)
So z = 6 and z = -2
= z^2 - (6-2)z - 12
= z^2 -6z + 2z -12
= z(z-6) +2 (z-6)
=(z-6)(z+2)
So z = 6 and z = -2
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