A.
4(d+3c)
b.
6(3x+5y)
c.
7(3a+4y)
d.
8(3f + 7g)
Answer:
a^2 + 2ab + b^2 - c^2
Step-by-step explanation:
When you multiply all the terms together you get a^2 + ab + ac + ab + b^2 + bc - ac - bc - c^2. Then you can just combine like terms and simplify it to a^2 + 2ab + b^2 - c^2. Hope this helps :)
ANSWER

EXPLANATION
Given;

The common factor is 3k;
Hence, factor out the common term;
d² = (y2 - y1)² + (x2 - x1)²
..............
Answer:
The 1st graph
Step-by-step explanation:
The quickest and easiest way is to just graph y < x² + 4x + 5. When you do so you should be able to see your answer.