![bella8751](/avatars/44818.jpg)
bella8751
29.03.2021 •
Mathematics
PLEASE ANSWER THIS QUESTION
Solved
Show answers
More tips
- W Work and Career Secrets of Punctuality: How to Learn to Never Be Late?...
- L Leisure and Entertainment How to Choose the Perfect Gift for Men on February 23rd?...
- H Health and Medicine How to Treat Whooping Cough in Children?...
- H Health and Medicine Simple Ways to Lower Cholesterol in the Blood: Tips and Tricks...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
- A Art and Culture When Will Eurovision 2011 Take Place?...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- F Family and Home Why Having Pets at Home is Good for Your Health...
Answers on questions: Mathematics
- M Mathematics Tim knows that 52 52 students can fit on one school bus. He sees 3 3 school buses arrive. Which equation will give Tim the best estimate of the total number of students...
- M Mathematics Let g(x) be the function x/×+1-1...
- M Mathematics On Monday 34% of the children who usually attend the nursery were absent. 29 children attended the nursery on Monday. How many children would usually be at the nursery...
- M Mathematics Solve for the value of S....
- M Mathematics 3) The image of triangle DEF is triangle D E F . Which transformation will the triangles NOT be congruent?...
- M Mathematics Find the range of the function f(x)- 4x 8 for the domain {0,1,2}...
- M Mathematics Jo had $5 more than Nate and together they had $43. How much did Nate have?...
- M Mathematics Research about 5 monuments around the world where roman numerals are used to depict the year in which they were built. Explain in 5 sentencesabout the monument and...
- M Mathematics I don’t get this one but the question was something about finding the equation....
- M Mathematics Find all solutions of the equation in the interval [0, 2pi). - 4 sinx= -cos²x+1 Write your answer in radians in terms of pi. If there is more than one solution,...
Ответ:
hello from mrbilldoesmath!
answer: (7x + 6y) ( 49x^2 - 42xy + 36y^2)
discussion:
in general, the factorization of a^3 + b^3 is
a^3 + b^ 3 = (a + b) ( a^2 - ab + b^2)
in our case note that 343 = 7^3 and 216 = 6^3 so the equation becomes:
343x^3 + 216y^3 = (7x)^3 + (6y)^3
if you think of a (above) as 7x and b as 6y the factorization becomes
343x^3 + 216y^3 =
((7x + 6y) ( (7x)^2 - 7x*6y + (6y)^2) =
(7x + 6y) ( 49x^2 - 42xy + 36y^2)
you,
mrb
(a + b) (a^2 - a b + b^2)