x^3y^3 + 343
The way the sum of cubes works is by taking the roots of each term and applying the formula.
The sum of cubes is as follows:
a^3 + b^3 = (a + b)(a^2 - ab + b^2)
In this case, we would display it like this:
x^3y^3 + 343 = (xy + 7)(x^2y^2 - 7xy + 49)
Answer:
add 5 then multiply by 1/2
Step-by-step explanation:
Twice a number is 2n.
The difference of twice a number and five 2n - 5.
The difference of twice a number and five is three. 2n - 5 = 3
2n - 5 = 3
2n - 5 + 5 = 3 + 5 (1) add 5
2n = 8
1/2*2n = 1/2*8 (2) multiply by 1/2
n = 4
You subtract c^9 - c^14 and you get c^5
then you subtract d^-7 - d^-10 and you get d^3 because negative and a negative make a positive.
so your answer is:
d^3/c^5
Answer:
7.125
Step-by-step explanation:
Two negatives multiply to give a positive and thus we can remove the parenthesis
Converting fractions to decimals.
=7.125
Answer:
if the sum of all the angles equal 180
Step-by-step explanation:
