2007-11-13 02:23:19 · 8 answers · asked by Boogie 2 in Science & Mathematics ➔ Mathematics
x² + x/3 - x/3 - 1/9
x² - 1/9
2007-11-13 04:57:55 · answer #1 · answered by Como 7 · 2⤊ 1⤋
6
2007-11-13 10:27:01 · answer #2 · answered by Melissa C 1 · 0⤊ 2⤋
= (x - 1/3) (x + 1/3)
= x^2 + 1/3x - 1/3x - 1/9
= x^2 - 1/9
Answer: x^2 - 1/9
2007-11-13 10:30:09 · answer #3 · answered by Jun Agruda 7 · 2⤊ 1⤋
(a – b)(a + b) = (a^2 – b^2)
a = x and b = 1/3
answer = (x)^2 – (1/3)^2
x^2 – 1/9
2007-11-13 10:32:16 · answer #4 · answered by Pranil 7 · 0⤊ 1⤋
how come no one can factor here
x^2 + 1/3x - 1/3x - 1/9
x^2 - 1/9
2007-11-13 10:28:56 · answer #5 · answered by Matt 3 · 0⤊ 1⤋
x^2 - 1/3x + 1/3x - 1/9
x^2 - 1/9 (Answer)
2007-11-13 10:28:27 · answer #6 · answered by Doctor Q 6 · 0⤊ 1⤋
x² - 1/9.
Use your FOIL rule and notice that the middle
terms cancel.
2007-11-13 10:28:04 · answer #7 · answered by steiner1745 7 · 0⤊ 1⤋
x*x=x^2
-1/3*x=-1/3x
1/3*x=1/3x
-1/3*1/3=-1/9
X^2-1/9
2007-11-13 11:24:31 · answer #8 · answered by Dave aka Spider Monkey 7 · 0⤊ 1⤋