Explain, how did we split the number in the equation.
How to factorise?
Class 10th, Statistics, Rd sharma, Mathematics.
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Solution:
Given,
(x – 4) (x + 2) = 0
So, either x – 4 = 0 ⇒ x = 4
Or, x + 2 = 0, ⇒ x = – 2
Thus, the roots of the given quadratic equation are 4 and -2, respectively.