using Factorisation, solve each of the following quadratic equations
5z² – 3z minus 2 = 0
Answers
Answered by
1
Step-by-step explanation:
5z²-3z-2=0
=5z²-5z+2z-2
=5z(z-1) +2(z-1)
= (z-1) (5z+2)
Answered by
2
Answer:
z = 1 or z = -2/5
Step-by-step explanation:
5z^2 - 3z^2 - 2=0
5z^2 - 5z + 2z - 2=0
5z(z-1) + 2(z-1)=0
(z-1) (5z+2)=0
z = 1 (or) z = -2/5
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