Fully factorise: 8 (x + 2) - x(x + 2)?

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Thanks!

2007-11-26 13:24:22 · 4 answers · asked by Sarah C 1 in Science & Mathematics ➔ Mathematics

8x+16-x^2-2x
-x^2+6x+16
-1(x^2-6x-16)
-1(x-8)(x+2)

2007-11-26 13:29:02 · answer #1 · answered by Dave aka Spider Monkey 7 · 0⤊ 1⤋

(x+2) (8-x)

2007-11-26 21:27:43 · answer #2 · answered by chocolatelvr 4 · 0⤊ 1⤋

(x+2)(8-x)

2007-11-26 21:28:02 · answer #3 · answered by someone else 7 · 0⤊ 1⤋

8 (x + 2) - x(x + 2)
=(8x +16) - (x^2 +2x)
= 8x + 16 - x^2 - 2x
=X^2 +6x +16

2007-11-26 21:34:21 · answer #4 · answered by Anonymous · 0⤊ 0⤋