please help me solve this question I will thank you and mark as branliest
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2+x=0
x=-2
= (-2)^3 -7×(-2)-3×(-2)^2+6
= -8-14-3×4+6
= -8-14-12+6
= -22-12+6
=-28
x=-2
= (-2)^3 -7×(-2)-3×(-2)^2+6
= -8-14-3×4+6
= -8-14-12+6
= -22-12+6
=-28
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