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

Which of the following occurs in January when the earth is closest to the sun?

The electronics industry is especially dependent upon what resource

The annual interest rate of Paul's savings account is 7.2%,and simple interest is calculated monthly. What is the periodic interest rate of Paul's account? A. 0

Someone relying on convergent thinking would answer _____ to the query "what can you do with a toothbrush?"

Despite their friendship why doesn brutus want caesar to become king

What value would make lines l and m parallel

When does recombination occur? at the two-strand stage, when the sister chromatids have been separated, and after dna replication at the four-strand stage, when

what top-grossing film of 1921 turned then-little-known actor Rudolph valentino into a superstar and associated him with the image of the Latin lover?

Which function is the inverse of f(x)=4x-1?

The ________ is responsible for the initiation of wind