In line two, Madlime added positive one in the bracket, but subtracted one outside of the bracket without considering the factor outside of the bracket. Therefore, line 2 should be f(x)=3(x2+2x+1-1)-7
Line 3: f(x)=3(x+1)2-7-3
Line 4: f(x)=3(x+1)2-10
Answer:
Liner
Step-by-step explanation:
17,21,18,20,24
Answer: i think the answer 12
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given [Missing from the question]

Required
Solve
Using factorization, we have:

Expand 2x

Factorize

Factor out 2x - 1

Split:

In both cases, solve for x


--- approximated
Answer:total area
32 multiply by 18=576
Then to get the cost of painting you divide 576/50=11.32
Answer 11.32
Step-by-step explanation: