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

Input 10 integers and display the following: a. the sum of even numbers. b. the sum of odd numbers. c. the largest integer d. the smallest integer e. the total
Kurt works at a cafe and earns $16 per hour. On Wednesday, he worked t hours at the cafe, and his neighbor paid him $5- per hour to babysit for b hours. Which e
A fly lands on one wall of a room. The lower-left corner of the wall is selected as the origin of a two-dimensional Car- tesian coordinate system. If the fly is
If RS = 12 – 2x, ST = 6x – 5, and RT = 19, find RS. (3 points)
evaluate 13-0.75(12)+8(1/2)
What is an attribute? Give an example of an entity with some attributes.
write the number 2000000 in scientific notation​
l n Ryan's kitchen there are 15 black tiles and 10 white tiles. What is the ratio (in simplest form) of white tiles to black tiles?
2) 15 men can build 2 identical houses in 14 days. Assuming that all the men work at the same rate, how long will it take 21 men to build 3 such houses?
Solve for x: |x + 2| + 16 = 14 (2 points) A.) x = −32 and x = −4 B.) x = −4 and x = 0 C.) x = 0 and x = 28 D.) No solution