2006-10-13 15:31:03 · 10 answers · asked by Deidrebm 1 in Science & Mathematics ➔ Mathematics
a(a + 5)(a - 5)
a(a^2 - 25)
a^3 - 25a
QED
2006-10-13 16:00:06 · answer #1 · answered by CSUFGrad2006 5 · 0⤊ 0⤋
if a(a+5)(a-5) = 0
then a= 0 or +5 or -5
2006-10-14 01:51:17 · answer #2 · answered by nritya 1 · 0⤊ 0⤋
the answer is a^3-25a
multiply a+5 and a-5
the result is a^2-25 then mutiply it by a
so the answer is a^3-25a
2006-10-13 22:55:37 · answer #3 · answered by yucanzee 2 · 0⤊ 0⤋
a(a + 5)(a - 5)=o
a =0, or +5, or -5
2006-10-13 22:33:23 · answer #4 · answered by fcas80 7 · 0⤊ 0⤋
(x+y)(x-y)=x^2-y^2 so
a(a + 5)(a - 5)=a(a^2-25)=a^3-25a
2006-10-17 16:37:17 · answer #5 · answered by yupchagee 7 · 0⤊ 0⤋
a(a+5)(a-5)
=a(a^2-5^2)(cuz a^2-b^2=(a+b)(a-b)
=a^3-25a
2006-10-13 23:00:25 · answer #6 · answered by Ahsan T 2 · 0⤊ 0⤋
if the equation is equal to zero a=0,5,-5
2006-10-13 22:34:30 · answer #7 · answered by dreamgirls 3 · 0⤊ 0⤋
the answer is asquare -25
2006-10-13 23:30:36 · answer #8 · answered by bell 4 · 0⤊ 0⤋
a^3 - 25a
2006-10-13 22:32:47 · answer #9 · answered by Anonymous · 1⤊ 0⤋
a^3-25
or if equal to 0
x=0,-5,5
2006-10-13 22:38:26 · answer #10 · answered by aznfobboytly 3 · 0⤊ 1⤋