SOLUTION: how to solve 2X^2+X=10
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Question 427469
:
how to solve 2X^2+X=10
Answer by
Billybikie(2)
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2X^2+X=10 is the same as 2X^2+X-10=0 this is a quadratic equation.
you can solve this equation by solving for X and you will have 2 solutions
X= (-1 - sqrt( 1^2-4*2*-10 ))/(2*2) }}} = 2
X= (-1 + sqrt( 1^2-4*2*-10 ))/(2*2) }}} = -5/2
Your solution is: X= ( -5/2;2)