Multiply.(-5x + 4y)(2x - 10y + 1)

A. -10x2 + 50xy - 5x - 40y2
B. -10x2 + 58xy + 58y2
C. -10x2 + 58xy - 5x - 40y2 + 4y
D. -10x2 + 8xy - 5x - 40y2 + 4y


Answer: C

Mathematics

You might also like to view...

Match the property with the example of it.Associative property

A. (1 + 8) + 2 = (8 + 1) + 2 B. (1 + 8) + 2 = 1 + (8 + 1) C. (1 + 8) + 2 = 1 + (8 + 2) D. (1 + 8) + 0 = (1 + 8)

Mathematics

Solve the equation. = 3 + 

A. {-90} B. {-45} C. {90} D. {45}

Mathematics

Determine the five-number summary of the given data.The National Education Association collects data on the number of years of teaching experience of high-school teachers. A sample taken this year of 19  teachers yielded the following data on number of years of teaching experience.

A. 1, 5.25, 18.0, 26.00, 33 B. 1, 6, 18.0, 29, 33 C. 1, 6, 20, 29, 33 D. 1, 5.25, 20, 26.00, 33

Mathematics

Establish the identity. -  = 

What will be an ideal response?

Mathematics