antonioserika
antonioserika
31-12-2020
Mathematics
contestada
how do I factorise this?
9x²-1
Respuesta :
melikaz
melikaz
31-12-2020
(3x-1)(3x+1)
Explanation:
Since they are both squared 9x^2 and 1^2
Also there is a “-“
So we use this formula to factorize :
a^2 - b^2 = ( a-b) (a+b)
Answer Link
VER TODAS LAS RESPUESTAS ( 47+ )
Otras preguntas
What usually happened during the climax of a story
1. Martha breaks the curfew set by her parents.
DNA is composed of repeating structural units called . is the five-carbon sugar found in DNA.
WILL MARK BRAINLIEST
Pedestrians include ______.
Write the quadratic equation whose roots are -1 and -4, and whose leading coefficient is 4. (Use the letter x to represent the variable.)
Match the defintion to the word. 1. an amusing literary composition imitating the style of another work satire 2. a literary work that aims to correct somethi
POINTS!!! Answer both 3 and 4 PLEASE
Jackson works at a store and earns $200 each week. He also earns an additional $24 per sale. How many sales does he need to make so that he earns a minimum of $
John plots the point with the polar coordinates (3,5π6). How does he plot this point? Drag a value or phrase into each box to correctly complete the statements.
