Factorise:100z2 - 60z + 9
Answers
Answered by
7
Answer:
(10z-3)(10z-3)
Step-by-step explanation:
100z²-60z+9
100z²-30z-30z+9
=10z(10z-3)-3(10z-3)
=(10z-3)(10z-3)
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