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Multiply out and simplify also factorise?

I have 3 questions

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Multiply out and simpllify
(x+6)(x-3)

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Question 2.
Factorise x(^2)-16

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Question 3
Factorise
x(^2)-5x-14

2007-12-04 07:34:14 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

any more ideas?

2007-12-04 08:09:54 · update #1

1 answers

x^2 -3x + 6x - 18 = x^2 +3x - 18

(x+4)(x-4)

(x-7)(x+2)

2007-12-04 07:41:50 · answer #1 · answered by norman 7 · 0⤊ 0⤋

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