Factor.x2 - 4xy - 21y2

A. (x + 7y)(x - 3y)
B. (x - 7y)(x + y)
C. (x - 7y)(x + 3y)
D. (x - y)(x + 3y)

Answer: C

Mathematics

You might also like to view...

Identify the distribution as symmetric, left-skewed, or right-skewed.Lengths of human pregnancies

A. Left-skewed B. Symmetric C. Right-skewed

View
Mathematics

Use a spherical coordinate integral to find the volume of the given solid.The solid between the spheres  and 

A. ?
B. ?
C. 38?
D. 76?

View
Mathematics

Solve the problem.Find the median for the amounts: $48, $36, $202, $128, $262, $245, $239.

A. $239 B. $166 C. $202 D. $128

View
Mathematics

Factor the trinomial.12y2 + 17y + 6

A. (12y + 2)(y + 3) B. (3y - 2)(4y - 3) C. (12y + 1)(y - 6) D. (3y + 2)(4y + 3)

View
Mathematics