4. Factorise :
(1) 12x2 – 7x + 1
Answers
Answered by
5
Answer:
( 4x - 1 ) ( 3x - 1 )
Step-by-step explanation:
12x2 - 7x + 1
= 12x2 - ( 4 + 3 )X + 1
= 12x2 - 4x - 3x + 1
= 4x ( 3x - 1 ) - 1 ( 3x - 1 )
= ( 4x - 1 ) ( 3x - 1 )
Answered by
1
Step-by-step explanation:
12x^2 −7x+1
=>12x^2−4x−3x+1
=>4x(3x−1)−1(3x−1)
=>(4x−1)(3x−1)
=>4x=1 3x=1
=>x=1/4 x=1/3
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