SOLUTION: one of the roots of the equation x^2+3 x-18 = 0 is 3. what is the other root?
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Question 439842: one of the roots of the equation x^2+3 x-18 = 0 is 3. what is the other root?
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
simply
let's see it:
Because you have a quadratic with leading coefficient 1, you can factored it as , and , are the two roots.
roots:
or
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