cerenity0330
cerenity0330 cerenity0330
  • 21-03-2017
  • Mathematics
contestada

what is the factored form of 2x^2+x-3

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trombonebookworm
trombonebookworm trombonebookworm
  • 21-03-2017
Since the coefficient of the first term is not 1, I multiply the first and 3rd term.
2*-3=-6

I have to find two numbers that multiply to 6 and add up to 1. They are -2 and 3.

I put them into the expression and simplify using the grouping method.
2x^2-2x+3x-3
2x(x-1) +3(x-1)
(2x+3)(x-1)

The factored form would be (2x+3)(x-1)

Hope this helps!
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