SOLUTION: The sum of a number and three times its square is 200. Find the number.
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Question 783548: The sum of a number and three times its square is 200. Find the number.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
given:
The sum of a number and three times its square is .
so,
....use quadratic formula
solutions:
or
check:
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