torid1220
torid1220
02-10-2018
Mathematics
contestada
Factor:
x^2 -xy -42y^2
Respuesta :
kudzordzifrancis
kudzordzifrancis
02-10-2018
Two factors of -42 that will add up to -1 are
[tex]6,-7[/tex]
We use these factors to split the middle terms
[tex] {x}^{2} + 6xy - 7xy - 42 {y}^{2} [/tex]
[tex]x(x + 6y) - 7y(x + 6y)[/tex]
The factors are
[tex](x + 6y)(x - 7y)[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 53+ )
Otras preguntas
How is the new theory of addiction different from the old theory of addiction? Explain how drugs are different from natural reinforcers.
38 children collected 8090 for flood relief fund. If each child collected the same amount, how much did each child collect?
uses of manesium.......................................................................////////////////////////////////////////////////////?????????????????????
21 points if someone gets it right. You randomly pull a scrap from a bag of scraps. The bag has 3 red scraps, 4 yellow scraps, and 4 black scraps. After that,
The collateral value of an asset is: (A) The value of the item when it is first bought (B) The estimated value of the item if sold immediately in the market (C)
How can you use multiplication to check your division
Simplify $(3p^3 - 5p + 6) + (4 - 6p^2 + 2p)$. Express your answer in the form $Ap^3 + Bp^2 + Cp +D$, where $A$, $B$, $C$, and $D$ are numbers (possibly negative
Please help urgent I am lost thank you all
If Julian walks from his house to his school at a speed of 3 miles per hour he will be five minutes late for class. If he cycles to school at a speed of 10 mile
Select the correct answer from each drop-down menu. Some of the images in the diagram are images of polygon 1 from similarity transformations. Graph shows 5 pol
