SOLUTION: Find the roots of x^2+11x=-30

Algebra.Com
Question 985928: Find the roots of x^2+11x=-30
Found 2 solutions by ikleyn, MathTherapy:
Answer by ikleyn(52835)   (Show Source): You can put this solution on YOUR website!
.
+ =

+ + = .

Use the Vieta's theorem  Solving quadratic equations without quadratic formula  to find the roots without using the quadratic formula:

= -5, = -6.


Answer by MathTherapy(10555)   (Show Source): You can put this solution on YOUR website!

Find the roots of x^2+11x=-30




(x + 6)(x + 5) = 0 ------- Factoring the trinomial

Solving for x gives:  

RELATED QUESTIONS


Find the roots of x^2+11x =-30

I need the steps please and thank you.  (answered by ramkikk66)

Find the roots of the polynomial equation.

x^4 - 5x^3 + 11x^2 - 25x + 30 = 0;... (answered by Edwin McCravy)

Solve or answer the questions regarding equations.  Show work.

Find the roots of        (answered by mananth)

Find all the roots.

x^4 + 11x^2 + 18 =... (answered by josmiceli)

Find all complex roots of the polynomial... (answered by RyuSlender,Fombitz)

Find all roots of the polynomial f(x) = 2x^3 - 5x^2 - 2x + 2 - 8x^3 + 11x^2 - 17x +... (answered by CPhill)

Find all the solutions of the equation {{{(x^2 -7x+11)^(x^2-11x+30)... (answered by Alan3354)

One factor of x^3+4x^2-11x-30 is x+2. Find the remaining... (answered by Gogonati)

one factor of x^3+4x^2-11x-30 is x+2. Find the remaining... (answered by richwmiller)