Math +; Chapter 2 (Sum and Difference of Two Cubes) Flashcards
1
Q
What is the formula for the sum and difference of two cubes?
A
(a³+b³) = (a+b)(a²-ab+b²)\
and
(a³-b³) = (a-b)(a²+ab+b²)
2
Q
What happens if we expand an expression that has the concept of the sum or difference of two cubes?
A
We can produce a binomial and a trinomial
3
Q
Solve for (64x³-125y³)
A
(64x³-125y³) = (4x-5y)(16x²+20xy+25y²)
4
Q
A