Answer:
4x-12 or 4(x-3)
Step-by-step explanation:
9x+9+2x-7(3+x)
9x+2x+9-21-7x
11x-12-7x
11x-7x-12
4x-12
Answer:
Y=21
Step-by-step explanation:
add 13 on both sides you get Y=21
Answer:
0÷3= 0
0/5= 0
Step-by-step explanation:
sorry if I did it wrong
Answer:
Step-by-step explanation:
Check attachment for answers.
Answer:
Completing the square we get: 
and factoring the term we get: 
Step-by-step explanation:
We need to complete the square for the expression 
For completing the square the expression would be of form 
For given expression we have to add (2)^2 and subtract to make it complete the square.

Now, we have to factor the polynomial using formula 
So, 
Completing the square we get: 
and factoring the term we get: 