angelliu11
angelliu11 angelliu11
  • 01-08-2017
  • Mathematics
contestada

What is the solution set of the equation x^2 - 7x - 18 = 0

Respuesta :

lovewithcompass
lovewithcompass lovewithcompass
  • 08-08-2017
(x-9)(x+2)=0
x=9 or x=-2
Answer Link
TheBlueFox
TheBlueFox TheBlueFox
  • 31-05-2020

Factoring this trinomial as the product of two binomials,

we have (x - 9)(x + 2) and set that equal to 0.

So we have (x - 9)(x + 2) = 0.

So either x - 9 = 0 or x + 2 = 0.

Solving for x in each equation, we find that our solution is {9, -2}.

Answer Link

Otras preguntas

Which ethnic group was successful in their attempt to separate from another country and form their own nation? the Ibo the Bengalis the Kurds the Tamils
which cities became major port cities in the south because of the slave trade
please help me will mark brainliest.
* PLEASE HELP WILL GIVE BRAINIEST* Your portfolio must include a minimum of the following five types of equations and solutions: Two one-step equations Two equ
Slope = -5 and Y -intercept (0,7)
How did nearby rivers and deserts affect the development of Mesopotamia and ancient Egypt? Plz help thx!
In William Wordsworth's poem "I Wandered Lonely as a Cloud," who is the speaker? A. a cloud drifting over a valley B. a daffodil swaying in the breeze
what motivated maclom x to start self education
how do i ask a question in hot questions?
Which of these waves can not travel through the vacuum of space? a.microwaveb.radio wavec.light wave d.sound wave