2007-10-21 03:57:19 · 8 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
yes
if you foil (x-y)(x+y) you get x^2 + xy - xy - y^2, the xy's cancel out and leave you with x^2 - y^2
2007-10-21 04:00:56 · answer #1 · answered by .Jules. 3 · 1⤊ 0⤋
The answer is "yes." Understanding how FOIL works is the key to understanding why this is true.
2007-10-21 04:28:29 · answer #2 · answered by Skepticat 6 · 0⤊ 0⤋
I do not understand questions written in a numerical statement. Could you re-ask in English?
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2007-10-21 04:00:39 · answer #3 · answered by M00ND0CT0R 6 · 0⤊ 0⤋
if you foil (x-y)(x+y) it comes to x^2-y^2
2007-10-21 04:02:40 · answer #4 · answered by ja_mamireppinroc 2 · 1⤊ 0⤋
yes it's true, difference of two squares produces sum and difference of two tems.. it's in the special products topic in algebra.
2007-10-21 04:00:35 · answer #5 · answered by Anonymous · 1⤊ 0⤋
yep. have you learned foiling yet?
2007-10-21 04:00:51 · answer #6 · answered by Anonymous · 1⤊ 0⤋
(x - y)(x - y) = x² - xy - xy + y² = x² - 2xy + y²
2007-10-23 19:50:51 · answer #7 · answered by Como 7 · 0⤊ 0⤋
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2007-10-21 03:59:24 · answer #8 · answered by Anonymous · 0⤊ 2⤋