SOLUTION: Please help me solve the question Find the whole number such that twice its square added to itself makes 10.

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Question 991925: Please help me solve the question
Find the whole number such that twice its square added to itself makes 10.
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
.
x = the number
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2x%5E2%2Bx=10
2x%5E2%2Bx-10=0
%28x-2%29%282x%2B5%29=0
x-2=0 OR 2x%2B5=0
x=2 OR 2x=-5
x=2 OR x=-5%2F2
Since we are asked for a whole number:
x=2
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ANSWER: The number is 2.