Grade 128 grade maths
Factorise the following expressions-4a^2 +4ab–4 ca
Factorise the following expressions
-4a^2 +4ab–4 ca
1 Answer
Harshit Singh
Dear Student
-4a^2 +4ab–4 ca
- 4a^2= -1×2×2×a×a
4ab = 2×2×a×b
- 4ca = -1×2×2×c×a
Common factor of - 4a^2, 4ab , - 4ca are 2, 2, a i.e. 4a
So,
- 4a^2+4 ab-4 ca = 4a(-a+b-c)
Thanks
-4a^2 +4ab–4 ca
- 4a^2= -1×2×2×a×a
4ab = 2×2×a×b
- 4ca = -1×2×2×c×a
Common factor of - 4a^2, 4ab , - 4ca are 2, 2, a i.e. 4a
So,
- 4a^2+4 ab-4 ca = 4a(-a+b-c)
Thanks
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