SOLUTION: please help me solve this equation 1)x2-100

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Question 65479: please help me solve this equation 1)x2-100
Answer by chitra(359) About Me  (Show Source):
You can put this solution on YOUR website!
The given expression is:

x%5E2+-+100


This is of the form a%5E2+-+b%5E2. The expansion of which is (a + b)(a - b)


So writting the above expression in this form, we get:

(x + 10)(x - 10)

Hence, x can take either of the values, that is 10 or -10.

Hence, the solution.