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 ( 47+ )
Otras preguntas
factor the expression y2+6y-16
explain how multiplying a whole number and a decimal is similar to and different from multiplying whole numbers
Which sentence is correctly punctuated? A. The train from Atlanta will arrive at 715 P.M. B. The time in London is 10:15 P.M. C. Their lunch break is at 11.
Which of the following is most nearly OPPOSITE in meaning to mammoth? A. ugly B. tiny C. distant D. enormous
Andrea has 18 yards of fabric. How many 4 inch pieces can she cut from her original piece
Which lists the elements in order from least conductive to most conductive? A. nitrogen (N), antimony (Sb), bismuth (Bi) B. nitrogen (N), bismuth (Bi), antimony
how do you answer $9 ; 10%
Which is the translation of the expression below?
On what policy did William Jennings Bryan base his candidacy for president?
What type of stock receives an equal part of the profits on each share to be distributed after all other obligations of the company haver been satisfied?