Question

How do you find the solution to the quadratic equation `36=5x+x^2`?

Answer 1

x= -9,4

Factorise the quadratic `x^2+5x-36=0` by splitting the middle term `x^2 +9x-4x-36`=0. The factors would be (x+9)(x-4)=0. The solution would be x= -9, 4