joseloredo joseloredo

03-02-2017
Mathematics

contestada

correctly complete the square for the equation below

x^2 + 18x = 0

Respuesta :

littlejohn18 littlejohn18

03-02-2017

x^2 + 18x = 0
(x^2 + 18x + 81) = 0
(x + 9)^2 = 81
x + 9 = +/-squareroot81
x = 0, and -18

Answer Link

Otras preguntas

What Was Jackson’s perspective on the McCulloch v. Maryland Supreme Court Case

wallpaper cost $2 per square yard how much would it cost to cover a rectangular wall that measures 15 feet by 21 feet

Is 0.127 a rational number

How did the formation of alliances affect the outbreak of war?

What is the molecular formula of a compound made of 25.9% N and 74.1% O? a. NO b. NO₂ c. N₂O d. N₂O₅ e. N₂O4₄ It would be great if you could add a few words

kilo- - 1,000deka- - 10How much larger is a kilo- than a deka-?

If every positive number has two square roots and you can find the length of the side of a square window by finding a square root of the area, why is there only

Write an addition equation with a positive addend and a negative addend and a resulting sum of -8

what are some fun facts on animal and plant cells.

WRITE THIS NUMBER IN WORD FORM 310,763,136 AND100,203