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iliketurtures
25.10.2019 •
Mathematics
Solutions of x2 + 13x + 30 = 0 by factoring.
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Ответ:
x = -10 or x = -3
Step-by-step explanation:
Here, the given equation is
The given equation can be solved by the method of SPLITTING THE MIDDLE TERM
Split 13 in such a way that sum of the terms = 13
and product of the terms = 30
So, the given equation becomes![x^{2} + 10x + 3x + 30 = 0](/tpl/images/0345/7149/7b921.png)
Here, 10x+ 3x = 13x and 10 x 3 = 30
Now, simplifying the equation,
⇒ either (x+ 10) = 0 ,or (x+ 3) = 0
⇒ x = -10 or x = -3
Ответ:
x= 886
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