Question

Simplify the expression

(2k+3)(k-1)
Please explain

A. 2k^2+k-3
B. 2k^2+k+2
C. 2k^2-k-3
D. 2k^2-k+2

Answer 1

You have to FOIL this out. Multiply 2k by k to get 2k^2, then multiply 2k by -1 to get -2k, then multiply 3 by k to get 3k, and finally multiply 3 by -1 to get -3. Combining like terms you will get A.