Question 1- Factories this expression -4 a2-4 a b-4 c aAns- -4 a 2-2 -2 - a - a4 a b-2 - 2 - a - b4 ca -2 - 2 - c - a-2 a-2 a-2 b-2 cIs this correct-

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Expansion of (x^2 - y^2)

Question 1. F...

Question

Question 1_. Factories this expression
-4a²+4ab-4ca
Ans... -4a²=2 ×-2×a×a
4ab=2×2×a×b
4ca=2×2×c×a

= 2a(-2a+2b-2c)
Is this correct?

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