factorise 4(a-1)²-4(a-1)-3
Answers
Answered by
54
Answer:
4(a²+1-2a)-4a+4-3
= 4a²+4-8a-4a+4-3
= 4a²-8a+5
=4a²-4a-5a+5
=4a(a-1)-5(a-1)
=(4a-5)(a-1)
hope you like my answer
ajaykumarpal029:
thanks for making my answer brainliest....
Answered by
68
Step-by-step explanation:
let the a-1 be x
4x^2-4x-3
4x^2-6x+2x-3
2x(2x-3) +1(2x-3)
(2x-3) (2x+1)
x=a-1
(2(a-1)-3) (2(a-1)+1)
(2a-2-3) (2a-2+1)
(2a-5) (2a-1)
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