daphdlc29 daphdlc29

04-05-2020
Mathematics

contestada

Which is a solution to (x - 3)(x + 9) = -27?
O x=-9
o x=-3
Lox=0
x=6

Respuesta :

aliyah9415 aliyah9415

04-05-2020

Answer: x=0,-6

(x-3)(x+9)=-27
x^2+9x-3x-27=-27
x^2+6x-27+27=0
x^2+6x=0
x*(x+6)=0
1.x=0
2.x=-6

The correct result would be x=0

Answer Link

Otras preguntas

Contemporary businesses have embraced leaner corporate hierarchies, simultaneously relying on teams, eliminating division walls, and blurring the lines of autho

A communications satellite orbiting the earth has solar panels that completely absorb all sunlight incident upon them. The total area A of the panels is 10m2.

The body paint, an automobile body paint shop, has determined that the painting time of automobiles is uniformly distributed and that the required time ranges b

Which of the following is an extended definition of petulant? A Petulant behavior, such as sulking when you don't get your way, is childish and rude. B Danny w

x − 6 ≤ 3 solve for x please

Why is it important that the primary standard chemical be non-hygroscopic and pure? Why is it important to dry the primary standard to a constant weight?

How are you? Heres the question of the day! 138 + 76 x 94 =

You wish to construct a galvanic cell with the anode consisting of a Ni electrode in a 1.0 M Ni(NO3)2 solution. What would be the highest standard cell potentia

Does the table represent a linear function ??

For this task, you will imagine that you are a reporter for a scientific magazine. Your task is to explain the process of protein synthesis to someone who does