x(x+5)=-10
what is the solution set? { }This question is from textbook essentials of college algebra
: use the quadratic equation so solve the equation
x(x+5)=-10
what is the solution set? { } Answer by checkley77(3380) (Show Source):
You can put this solution on YOUR website! x(x+5)=-10
x^2+5x+10=0
x=(-5+-sqrt[5^2-4*1*10])/2*1
x=(-5+-sqrt[25-40])/2
x=(-5+-sqrt-15)/2
x=(-5+-3.873)/2
x=-2.5+-1.9365i answer.