do you mean x2 + 3x + 2 ?
Factors are (x +2)(x+1)
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If you mean: x2+3x+2 then it is (x+1)(x+2) when factored
This quadratic expression can't be factored because its discriminant is less than zero.
-7
x2 + 3x + 7 = 5 ∴ x2 + 3x + 2 = 0 ∴ (x + 1)(x + 2) = 0 ∴ x ∈ {-2, -1}
3x-1 = 11 3x = 11+1 3x = 12 x = 4 Therefore: x2+2 = 18