Verified Answer :

crisforp

Δ = 19^2 - 4512 => Δ = 121 => \(\sqrt{delta}\) = 11;
x1 = -0.8; x2 = -3;
5x^2+19x+12 = 5( x + 0.8)( x + 3) = ( 5x + 4)( x + 3);

anaiscineus

Answer:

(
x
−
3
)(
5x
−
4
)

Step-by-step explanation:

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