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lenik002
@lenik002
August 2022
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помогите,пожалуйста,уравнение решить. 2х^2+3х-7(х+1,5)=0
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DariosI
Verified answer
2x²+3x-7x-10.5=0
2x²-4x-10.5=0
D=4²+4*2*10.5=100=10²
x₁=(4-10)/4=-6/4=-3/2=-1.5
x₂=(4+10)/4=14/4=7/2=3.5
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Answers & Comments
Verified answer
2x²+3x-7x-10.5=02x²-4x-10.5=0
D=4²+4*2*10.5=100=10²
x₁=(4-10)/4=-6/4=-3/2=-1.5
x₂=(4+10)/4=14/4=7/2=3.5