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Factor the polynomial : 20w^2+ 100w + 40

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awlgeelady | Student, Undergraduate | Honors

Posted January 29, 2013 at 5:23 PM via web

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Factor the polynomial : 20w^2+ 100w + 40

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justaguide | College Teacher | (Level 2) Distinguished Educator

Posted January 29, 2013 at 5:33 PM (Answer #1)

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You are only allowed one question per post. The process to be followed to factor 20w^2 + 100 w + 40 has been described.

20w^2 + 100w + 40

remove any common numeric multiples

=> 20(w^2 + 5w + 2)

w^2 + 5w + 2 cannot be factored into terms with integral roots as the roots of w^2 + 5w + 2= 0 are complex.

The factorized form of 20w^2 + 100w + 40 = 20(w^2 + 5w + 2)

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