what is the product of (x + y)^3??
2007-11-04 12:08:00 · 7 answers · asked by Riddle 1 in Science & Mathematics ➔ Mathematics
(x + y) (x² + 2xy + y²)
x³ + 2x²y + xy²
____x²y + 2xy² + y³
x³ + 3x²y + 3xy² + y³
2007-11-04 21:51:34 · answer #1 · answered by Como 7 · 1⤊ 1⤋
x^3+y^3 ?
2007-11-04 20:11:07 · answer #2 · answered by Sean Lawlor 5 · 0⤊ 0⤋
(x + y)(x + y)(x + y)
(x + y)(x^2 +2xy +y^2)
x^3 +2(x^2)y +xy^2 +(x^2)y +2xy^2 +y^3
x^3 +3(x^2)y +3xy^2 +y^3
2007-11-04 20:14:27 · answer #3 · answered by David F 5 · 0⤊ 0⤋
= x^3 +y^3 +3x^2 y +3x y^2
2007-11-04 20:11:20 · answer #4 · answered by Any day 6 · 0⤊ 0⤋
x^3 +3x^2y +3xy^2 +y^3
2007-11-04 20:10:58 · answer #5 · answered by ironduke8159 7 · 1⤊ 0⤋
(x+y)(x+y)(x+y)= (x^2 + xy+y^2)(x+y)
x^3+x^2y+xy^2+x^2y+xy^2+y^3=
x^3+2x^2 2y+2xy^2+y^3
2007-11-04 20:13:09 · answer #6 · answered by mine 5 · 0⤊ 0⤋
(x+y)(x+y)(x+y)
x^2+2xy+y^2(x+y)
x^3+2(xy)^2+y^3
2007-11-04 20:17:58 · answer #7 · answered by Anonymous · 0⤊ 0⤋