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please help because am missing something.thankyou

factor completely given that x+2 is a factor.

2x^3 + 7x^2 - 3x - 18

1 answer

use either long algebraic division or synthetic division, whichever you learned, to show that

2x^3 + 7x^2 - 3x - 18 = (x+2)(2x^2 + 3x - 9)
= (x+2)(2x - 3)(x + 3)
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