mathiscool51
23.06.2019 •
Mathematics
Find the exact solution of x. x2 = 16
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Ответ:
x=8
Ответ:
We can split the middle term to simplify this expression.
Doing so gives us (x^2 - 4)(x^2 - 9)
Using the difference of perfect squares rule, we can simplify this even further:
(x + 2)(x - 2)(x + 3)(x - 3)
The real roots of the polynomial are:
-2, 2, -3, 3.