CBSE Class 10 Answered
Asked by disha | 22 Dec, 2013, 06:21: PM
Expert Answer
Factorize the following quadratic equation:
x2-23x+132=0
In order to factorize x2-23x+132, we have to find two numbers p and q such that p+q=-23 and pq=132.
Clearly, -12-11=-23 and -12 x -11=132.
We now split the middle term-23x of x2-23x + 132 so that
x2-23x+132 = x2-12x-11x+132
=x(x-12)-11(x-12)
=(x-12)(x-11)
Regargs
Topperes Learning Team
Answered by | 23 Dec, 2013, 11:03: AM
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