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OpenStudy (anonymous):
(4+2x)(7+2x) = 238 find x and show all work please:)
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OpenStudy (anonymous):
x=5
OpenStudy (anonymous):
how do you find that answer?
OpenStudy (anonymous):
28 +22x+4x2 =238 4x2+22x-210 = 0 divide with 2 2x2+11x-105=0 (2x+21)(x-5) =0 x = -21/2 , x=5
OpenStudy (anonymous):
WolframAlpha.com
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