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Mathematics
Chasity Guerra
5 December, 17:45
X² - 36 = 0
solve for x
+2
Answers (
1
)
Cloud
5 December, 18:25
0
Answer: + 6
Explanation: The equation x² - 36 = 0 is called a quadratic equation because he have a squared term as our highest power.
Our first step in this problem is to get the x²
term by itself by adding 36 to both sides.
That gives us x² = 36.
Next we must get the x by itself and in order to do
that we do the opposite of what is happening to x.
Since x is being squared, the opposite
of squaring is square rooting.
So to get x by itself, we square
root both sides of the equation.
On the left the square root of x² is x and on
the right, remember the following rule.
When square rooting both sides of
an equation, always use plus or minus.
So the answer to this problem would be + 6.
So our solution to this equation is + 6.
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