leelee3214h leelee3214h

02-09-2017
Mathematics

contestada

what is x squared plus six x minus twenty seven =0

Respuesta :

WojtekR WojtekR

02-09-2017

[tex]x^2+6x-27=0\\\\x^2-3x+9x-27=0\\\\x\big(x-3\big)+9\big(x-3\big)=0\\\\\big(x+9\big)\big(x-3\big)=0\\\\\\x+9=0\qquad\vee\qquad x-3=0\\\\\boxed{x=-9\qquad\vee\qquad x=3}[/tex]

Answer Link

Otras preguntas

Critically evaluate the mechanism that people use to deal with cyber bullying

What is the surface area of the prism in the picture?

What is the a100 of an=0.9n-6.3

Please help me with this math problem!! Will give brainliest if correct!! :)

How to write a C++ program that lets the user guess if a randomly generated integer is even or odd then the computer lets them know if they are correct or incor

Temporal isolation occurs when two different populations.

When x = 5, the value of the expression .-2(x - 10) is O -21 O-9 O 9 O 19

All of the following are examples of interdependence except: A. Spouses discuss and decide upon a fair and equitable distribution of labor in their house. They

why social media could be considered the best media platform to combat human rights violations

Advantages and disadvantages of each cell division