Answer:
348 in^2
Step-by-step explanation:
8 x 9 = 72
6 x 8 = 48
9 x 6 = 54
72 + 72 + 48 + 48 + 54 + 54
348
(3n + 5)(3n − 5)
Explanation:
[ Factor ]
9n2 − 25
= (3n + 5)(3n − 5)
i think maybe ? x+20*2=5-2*x
is wrong，6/20,3/10
