Factor the polynomial completely. If a polynomial cannot be factored, state that it is irreducible.x2 - x - 40

A. (x - 40)(x + 1)
B. (x + 5)(x - 8)
C. (x - 5)(x + 8)
D. irreducible


Answer: D

Mathematics

You might also like to view...

Find a pattern and use it to solve the problem.Draw the next figure in the pattern.

A.

B.

C.

D.

Mathematics

Solve the problem.Find the point on the line    that is closest to the point  

A.
B.
C.
D.

Mathematics

Solve the equation.5x2 - 30x + 40 = 0

A. 4 or ?2 B. 2 or ?4 C. 2 or 4 D. ?4 or ?2

Mathematics

Factor by grouping.18x2 + 24xy + 15xy + 20y2

A. (6x + 5y)(3x + 4y) B. (6x + 5)(3x + 4) C. (18x + 5y)(x + 4y) D. (6x - 5y)(3x + 4y)

Mathematics