binomial formula reverse problem 2:
You can do the following exercise here: binomial formula reverse problem 2
If you can solve this problem without a mistake, you are an expert.
You can find more exercises here:
find the binomial formula:
9x² – 60xy + 100y² = ?
Here you can downloads two exercise sheets:
answers:
find the binomial formula:
9x² – 60xy + 100y²
1. step: which binomial formula?
answer: 2. binomial formula
explanation: three parts and the algebraic sign in the middle is negative.
2. step: radical the first and the third part
radical the first part: √9x² = x
from the middle part we only take the algebraic sign: –
radical the third part: √100y² = 10y
3. step: write the 1. binomial formula
e.g. (x – 10y)²