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Len [333]
2 years ago
8

Heeelppp please is for today

Mathematics
2 answers:
arsen [322]2 years ago
7 0

Answer:

x = −2 or x = 4.23606797749979 or x = −0.2360679774997898

Step-by-step explanation:

Subtract x^3-2x^2-9x-2 from both sides.

0 − (x3−2x2−9x−2) = x3−2x2−9x−2 − (x3−2x2−9x−2)

−x3+2x2+9x+2=0

Factor left side of equation.

(−x−2)(x2−4x−1)=0

Set factors equal to 0.

−x−2=0 or x2−4x−1=0

butalik [34]2 years ago
4 0
This picture shows how to think and answer.

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