SOLUTION: How do I expand {{{ (4a-2)^2 }}} ? I have the answer to the problem which is {{{16a^2-16a+4}}} but I don't know exactly how to get to that.

Question 1044719: How do I expand ?
I have the answer to the problem which is but I don't know exactly how to get to that.
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!
How do you WANT to expand it? Directly use Binomial Theorem formula? Directly multiply?

The "etcetera" is because the three dots will not render here.

Your square is much simpler in your example.

SIMPLIFY THIS!
Answer by ikleyn(52802)   (Show Source): You can put this solution on YOUR website!
.
See the lessons
    -The square of the sum formula
in this site.

In my student years, we knew such formulas as the alphabet.

RELATED QUESTIONS
Simplify and express using positive exponents. NUMERATOR IS: 12a^7 + 16a^5 - 8a^2... (answered by JenniferTutors)
Hi I have a Question! (x^(3a))/(sqrt(x^16a)) The think the answer is x^(-5a) But (answered by stanbon,bucky)
I need to expand into two logarithums, ln(x^2-4x+4). I know the log laws but don;t know... (answered by ewatrrr,solver91311)
4a^2+16a+16 Hi I need to factor... (answered by Stitch)
The expression (-4a^3b)^2 is eqivilent to: a) -16a^6b^2 c) 16a^5b^2 b)... (answered by ewatrrr)
(-4a to the third power)to the 2nd power....what is the answer? is it 16a to the 6th... (answered by rfer)
directions: simplify. (rad)16a^2. i think the answer is 4a. am i... (answered by Edwin McCravy)
Simplifying Radicals-this is the problem (16a^8b^4)^1/4 and this is what I have come up... (answered by jim_thompson5910)
How do I factor -70a^4 + 68a^3 -... (answered by Earlsdon)