Factor by grouping. Assume any variable exponents represent whole numbers.x2 + 3x + 7x + 21
A. (x + 3)(x + 7)
B. (x2 + 3)(x + 7)
C. (x - 3)(x - 7)
D. (x + 3)(x2 + 7)
Answer: A
Mathematics
You might also like to view...
Provide an appropriate response.Explain briefly what Fairness Criterion 3 means and give a voting method that satisfies it.
What will be an ideal response?
Mathematics
Find the value of the limit.
Mathematics
Provide an appropriate response.If you assume each month has 30 days when calculating interest, time is considered:
A. variable B. approximate C. exact D. ordinary
Mathematics
Graph the solution set of the system of inequalities.2x + 3y ? 6 x - y ? 3 y ? 2
A.
B.
C.
D.
Mathematics