How do you factor x squared plus two x minus twelve?

Anonymous

∙ 12y ago

Updated: 8/20/2019

x2 + 2x - 12

Since factors of -12 cannot add up to 2, then I will complete the square in order to factor it as a difference of the two squares.

x2 + 2x - 12 add and subtract 1

= (x2 + 2x + 1) - 1 - 12

= (x + 1)2 - 13 represent 13 as (√13)2

= (x + 1)2 - (√13)2

= [(x + 1) - √13][(x + 1) + √13]

Wiki User

∙ 12y ago

What else can I help you with?

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