Question:
how to find out factors quickly without wasting in time
Answer:
Let us take an example:
Example: x2 - 7x + 12
Now split the coefficient of x in such a way that its sum is 7 and multiplication is 12
So, x2 - 7x + 12 = x2 - (3 + 4)x + 12
= x2 - 3x - 4x + 12
= x(x - 3) - 4(x - 3)
= (x - 3)*(x - 4)
In this way, we do it.
Hope you got the point.
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