Exam
Maths Puzzle
Algebra
2x^2 - x - 15 =0
How do you find the root of this equation.
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- Given equation (2x^2)-x-15=0
=>(2x^2)-6x+5x-15=0 (by factorization)
=>2x(x-3)+5(x-3)=0
=>(x-3)(2x+5)=0
=> x= 3 and -5/2
therefor the roots of the equation 2x^2-x-15=0 are 3 and -5/2 - 10 years agoHelpfull: Yes(0) No(0)
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