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nitrogen002
@nitrogen002
August 2021
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Сократите дробь 4x^2+7x-2/1-16x^2
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sedinalana
Verified answer
4x²+7x-2=4(x+2)(x-1/4)=(x+2)(4x-1)
D=49+32=81
x1=(-7-9)/8=-2
x2=(-7+9)/8=1/4
(x+2)(4x-1)/(1-4x)(1+4x)=-(x+2)/(1+4x)
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Answers & Comments
Verified answer
4x²+7x-2=4(x+2)(x-1/4)=(x+2)(4x-1)D=49+32=81
x1=(-7-9)/8=-2
x2=(-7+9)/8=1/4
(x+2)(4x-1)/(1-4x)(1+4x)=-(x+2)/(1+4x)