Simplify and expand where possible: -2x(6x + 3 )?

1 ⤊

2007-11-26 04:23:31 · 5 answers · asked by Mark J 1 in Science & Mathematics ➔ Mathematics

(- 2 x) (6x + 3) = - 12x² - 6x

2007-11-30 03:35:39 · answer #1 · answered by Como 7 · 1⤊ 0⤋

expand..

-2x (6x + 3)
-2x*6x + (-2x)*3
-12x^2 - 6x

simplify
-2x (6x + 3)
-2x * 3 (2x +1 )
-6x (2x +1 )

2007-11-26 04:28:46 · answer #2 · answered by roxiibt 2 · 0⤊ 0⤋

= 12x^2 - 6x
= 6x (2x - 1)

2007-11-26 04:29:08 · answer #3 · answered by innocent chinito :) 3 · 0⤊ 0⤋

=-12x^2-6x
=-6x(2x+1)

2007-11-26 04:39:26 · answer #4 · answered by sankar 1 · 0⤊ 0⤋

-2x(6x + 3)
= (-2x) (3) (2x + 1) = (-6x) (2x + 1) [Simplification]
= -12xÂ²-6x [Expansion]

2007-11-26 04:28:27 · answer #5 · answered by Mathavan M 2 · 0⤊ 0⤋