1/3+3
Ab=1
-b^²=-9
B=3
A=1/3
a+b=1/3+3
Mark brainliest please
9n - 7 = 5n + 5 |add 7 to both sides
9n = 5n + 12 |subtract 5n from both sides
4n = 12 |divide both sides by 4
n = 3
Answer:
900 - 1= (31)(29)
Step-by-step explanation:
We need to factor 900 -1
We write each number in square form
900 can be written as 30^2
1 can be written as 1^2
Now we apply difference of square formula
a^2 - b^2 = (a+b)(a-b)
So 900 - 1= (31)(29)