SOLUTION: use the quadratic equation so solve the equation x(x+5)=-10 what is the solution set? { }

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Question 155269This 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? { } This question is from textbook essentials of college algebra

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x(x+5)=-10
x^2+5x+10=0
x=%28-b%2B-sqrt%28b%5E2-4%2Aa%2Ac%29%29%2F%282%2Aa%29
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.