Answer:
7.5 hundredths (7 hundredths and 5 tenths) equals 3/4
Step-by-step explanation:
The general form of an equation is

. Solving for (5+X)(5-X)=7 by multiplying the factors and subtratcting 7 on both sides gives the equation

, so
A = 1
B = 0
C = -18
Yes because if you distribute the 3 and multiply it with 3 • x and 3• 6 you’ll get 3x-18