$\bf x^4+xy^3+x^3+y^3\impliedby \textit{now let's do some grouping}
\\\\\\
(x^4+xy^3)~~+~~(x^3+y^3)\implies x(x^3+y^3)~~+~~(x^3+y^3)
\\\\\\
\stackrel{\stackrel{common}{factor}}{(x^3+y^3)}(x+1)\\\\
-------------------------------\\\\
\textit{now recall that }\qquad \qquad \textit{difference of cubes}
\\ \quad \\
a^3+b^3 = (a+b)(a^2-ab+b^2)\qquad
a^3-b^3 = (a-b)(a^2+ab+b^2)\\\\
-------------------------------\\\\
(x+y)(x^2-xy+y^2)(x+1)$

5 0

2 years ago

The winning average speed for the 2014 Daytona 500 was recorded at 145.29 miles per hour which is a correct description of 145.2

vichka [17]

Just answered this one. It was D.

4 0

2 years ago

Will give Brainliest and Five Stars to the correct answer

nadezda [96]

The correct answer is y = 1/8x^2

5 0

2 years ago