Question

Factorise.
(1).12x2-7x+1
​

Answer 1

.

Factoring polynomials by splitting the middle term:

We need to find two numbers ‘a’ and ‘b’ such that a + b =-7 and ab = 12.

On solving this we obtain, a = 4 and b = 3

Thus, the above expression can be written as:

12x2 -7x + 1

= 12x2 – 4x – 3x + 1

= 4x(3x – 1) -1 (3x – 1)

= (3x -1)(4x – 1)

Thus, 3x – 1 and 4x – 1 are the factors of the polynomial 12x2 -7x + 1

Hope this may help you

Answer 2

Answer:

ok

Step-by-step explanation:

12×2=24

7x+1=8x

x=24/8

x=3

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