Answer:
one of the minus signs should be a plus sign
Step-by-step explanation:
One of the minus sign should be a plus sign and the answer should be x² - 100 = ( x-10) ( x+10) , Option C is correct.
An expression is a mathematical statement consisting of variables , constants and mathematical operators.
The expression given is
x² - 100 = ( x-10) ( x-10)
It is a binomial expression and it is similar to a² - b²
a² - b² =( a+b) (a-b)
One of the minus sign should be a plus sign and the answer should be x² - 100 = ( x-10) ( x+10) , Option C is correct.
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