SOLUTION: a^2-2a-48=0
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Question 575948: a^2-2a-48=0
Found 2 solutions by nerdybill, josmiceli:
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
a^2-2a-48=0
factoring the left:
(a+6)(a-8)=0
a = {-6, 8}
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Complete the square:
Take 1/2 of the coefficient of ,
square it and add it to both sides
Take the square root of both sides
and, also, taking the negative root,
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