Question

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

Answer 1

Solution is x= 5, -2

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

`x^2 -5x+2x-10=0`

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

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

x=5, -2