Question
Factorize : x2−7x+12
Answer: Option A
:
A
Was this answer helpful ?
:
A
We have to break up 7x in the given expression into two parts in such a way that their sum is 7x and the product of their coefficients is 12 .
x2−7x+12
=x2−4x−3x+12
=x(x−4)−3(x−4)
=(x−3)(x−4)
Thus x2−7x+12 can be factorised as (x−3)(x−4)
Was this answer helpful ?
More Questions on This Topic :
Question 2.
Degree of a constant polynomial is _____.
....
Question 3.
If x+x−1=11, evaluate x2+x−2.
....
Question 6.
Find the roots of the equation: x-5=0
....
Question 8.
If (x13+y13+z13=0), then -
....
Submit Solution