please help number 18

Mathematics
Tutor: None Selected Time limit: 1 Day

Mar 31st, 2015

X3+2x2-24x = x(x2+6x-4x-24) = x[ x(x+6)-4(x+6)]= x(x-4)(x+6)

X= 0, 4 or -6

Option 1

Mar 31st, 2015

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Mar 31st, 2015
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