Saniyah14
Saniyah14
22-08-2014
Mathematics
Answered
Solve the equation.
2x^2+7=15x
Answer :
konrad509
konrad509
22-08-2014
[tex] 2x^2+7=15x \\ 2x^2-15x+7=0\\ 2x^2-x-14x+7=0\\ x(2x-1)-7(2x-1)=0\\ (x-7)(2x-1)=0\\ x=7 \vee x=\frac{1}{2} [/tex]
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