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 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

Find an ordered pair (x,y) that is a solution to the equation. 3x-y=8
what is the overall purpose of cellular respiration?
To what extent does global media serve as gurdian of free speech, democracy, and justice?​
a shopkeeper sold an article at a gain of 5%.if he had sold it for rs. 16.50 less, he would have lost 5%.find the cost price of the article. ​
How to find standard deviation from true probability and sample size.
What decides free energy.
4.What volume of hydrogen gas at STP is produced when 2.5 grams of zinc react with an excess of hydrochloric acid?
what is the area of a rectangle if 1 base is 14 in, the 2nd base is 3.5 in and the height is 8 in?​
Write equations for the horizontal and vertical lines passing through the point (1,7) .
Evaluate the expression( 3x2)2