2007-06-07 10:50:03 · 7 answers · asked by hellokid 1 in Science & Mathematics ➔ Mathematics
how do u get the answer!?
2007-06-07 10:58:34 · update #1
its the sum of perfect cube, use this formula:
a^3 + b^3 = (a + b) (a^2 - ab + b^2)
8x^3 + 27
= 2^3x^3 + 3^3
= (2x)^3 + 3^3
= (2x + 3) (4x^2 - 6x + 9)
2007-06-07 10:53:10 · answer #1 · answered by 7 · 1⤊ 0⤋
8x^3+27 = ( 2x + 3 ) ( 4x^2 - 6x + 9 )
2007-06-07 17:52:54 · answer #2 · answered by muhamed a 4 · 0⤊ 0⤋
The answer is...
(2x+3)(4x²-6x+9)
2007-06-07 17:53:08 · answer #3 · answered by Math Wizard 3 · 0⤊ 0⤋
( 2x + 3 ) ( 4x^2 - 6x + 9 )
2007-06-07 17:55:50 · answer #4 · answered by UNIQUE 3 · 0⤊ 0⤋
(4x^2+3) (2x+9)
2007-06-07 18:03:35 · answer #5 · answered by Kandice F 4 · 0⤊ 0⤋
(2x-3)(4x^2+6x-9)
2007-06-07 17:55:34 · answer #6 · answered by ironduke8159 7 · 0⤊ 0⤋
2.2.2.x.x.x+3.3.3
2007-06-07 17:53:28 · answer #7 · answered by TG 7 · 0⤊ 4⤋