SOLUTION: The roots of (x-1)(x-2)=p are equal. Find p. The answer is p=1/4, how do they get that?

Question 1109774: The roots of (x-1)(x-2)=p are equal. Find p.
The answer is p=1/4, how do they get that?
Found 2 solutions by josgarithmetic, greenestamps:
Answer by josgarithmetic(39838) (Show Source): You can put this solution on YOUR website!
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The roots of (x-1)(x-2)=p are equal. Find p.
The answer is p=1/4, how do they get that?
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"Equal Roots"

, both sides were multiplied by ;

square both sides:

?

(Possible mistake of sign somewhere)
Answer by greenestamps(13367) (Show Source): You can put this solution on YOUR website!

The answer, as the other tutor showed, is -1/4, not 1/4.

If the roots of are equal, then is a perfect square.

If that is to be a perfect square, then it must be equal to .

Therefore, -->
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