Question 17932
To decide if 1 is a solution of x^2-7x-8=0 we will replace x with 1 and see if the equation holds true.
1^2-7(1)-8 ? = 0
1-7-8?0
6-8 ? 0
-2?0
-2 does not equal 0 so 1 is not a solution of the equation.
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