How do you factor and solve #2x² -452x-68,640=0#?

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How do you factor and solve #2x² -452x-68,640=0#?

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Answer 1 · 2015-03-27T19:54:57

Given a choice I'd probably solve first, then factor, but:

#2x^2-452x-68,640=2(x^2-226x-34,320)#

By considering all possibilities for factoring #x^2-226x-34320)#
I eventually got to #(x-330)(x+104)# which works. So the solutions to the equation are #330# , #-104#.

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How do you factor and solve #2x² -452x-68,640=0#?

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