xpineappleslusheex
xpineappleslusheex xpineappleslusheex
  • 03-06-2018
  • Mathematics
contestada

Factorise completely
[tex]1) {x}^{2} - 12x - 13[/tex]
[tex] 2){32y}^{2} + 8y[/tex]
[tex]3) {x}^{2} - 9[/tex]

Respuesta :

Ruppy
Ruppy Ruppy
  • 03-06-2018
1. Number that adds up to -12 and multiplied by the same # that gives u -13. Set it up like this because both are negative so, u need 1 negative and 1 positive.
(x-13)(x+1)

2. Same rule applies. GCF
8y(4y+1)

3. (x+3)(x-3)
Answer Link

Otras preguntas

Who was Shirley Chisolm?
Based on what the author of "What's Black and White and Red All Over?" states about the unanswered riddle in Lewis Carroll's Alice's Adventures in Wonderland, w
Taylor can make one banner out of yards of fabric. How many banners can he make with yards of fabric?
CondensationRadiationConvectionConduction transfers heat within the atmosphere and ocean.
why did it take s long for christian kingdoms in northern spain to expel non christian people from iberian peninsula
The earth Direct Rotation is call us
Can someone plz help me with #4-8, I don't understand that much I already finished #1-3
How were the "new" immigrants that arrived in America in the late 1800s different from earlier waves of immigrants? A. They were Protestants. B. Most spoke Eng
What is a labyrinth?
A school cafeteria serves 200 students every 4 hours. At this rate, how many students can be served in 7 hours?