пожалуйста помогите! срочно надо!
сократите дробь:
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Verified answer
1)x1=; x2= -3
2) x1=4; x2= -3
3)
Verified answer
3х²+7х-6=0D=49+72=121
√D=11
x1=(-7+11)/6=4/6=2/3
x2=(-7-11)/6=-3
3(x-2/3)(x+3)
x²-x-12=0
D=1+48=49
√49=7
x1=(1-7)/2=-3
x2=(1+7)/2=4
(x+3)(x-4)
3(x-2/3)(x+3) / (x+3)(x-4)=3(x-2/3) / (x-4)=(3x-2) / (x-4)