3+23z-8z² solve the problem
Answers
Answered by
9
Answer:
Step-by-step explanation:
3+23z-8z² multiply by -1
8z²-23z-3
multiply 8 and -3 for splitting the middle term process
8z²-24z+z-3
8z(z-3)+1(z-3)
(z-3) and (8z+1)
z-3=0 8z+1=0
z=3 z=-1/8
Answered by
3
Answer: -1/8 or 3
Step-by-step explanation:
3 + 23z - 8z^2 = 0
=> 8z^2 - 23z - 3 = 0
=> 8z^2 - 24z + 1z - 3 = 0
=> 8z(z - 3) + 1(z - 3) = 0
=> (8z + 1) (z - 3) = 0
=> 8z+ 1 = 0 or z - 3 = 0
=> z = -1/8 or z = 3
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