Answer: A—the first one
Step-by-step explanation:
Answer:where's the pic
Step-by-step explanation:
Answer:
Step-by-step explanation:
n+1/2n=7/2
2n^2+1/2=7/2
4n^2+2=14
4n^2=12
n^2=3
n=radical3
Answer:
2x^2+16x+10
Step-by-step explanation:
(2x+4)^2-(2x^2+6)
(2x+4)(2x+4)-2x^2-6
4x^2+8x+8x+16-2x^2-6
4x^2-2x^2+16x+16-6
2x^2+16x+10