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

Otras preguntas

FIRST CORRECT ANSWER GETS BRAINLIEST Find the slope of the line. A. –3 B. 3 C. –1/3 D. 1/3

Can anyone help me please

i need a persuasive essay about roblox

A mixture of two gases was allowed to effuse from a container. one of the gases escaped from the container 1.43 times as fast as the other one. the two gases co

Can someone please tell me if any of my answers are wrong!????

Help anyone !?????????????????

Identify the graphed linear equation. A) y = 4x + 1 B) y = 4x - 1 C) y = -4x + 1 D) y = -4x - 1

For the following pair of lines, identify the system by type. A) consistent B) equivalent C) inconsistent

Which equation is represented by the table?

please help! it seems easy i just cant figure this one out!