How do you solve  x^2-3x=10 ?

May 17, 2015

Solution is x= 5, -2

This is a quadratic equation, ${x}^{2} - 3 x - 10 = 0$, which can be solved using quadratic formula, or more easily by factorisation.

${x}^{2} - 5 x + 2 x - 10 = 0$

x(x-5)+2(x-5)=0

(x+2)(x-5)=0

x=5, -2