сократите дробь:
3х^2+7х-6
_________
4-9х^2
3x^2+7x-6=0
D=121
x1=-3
x2=2/3
3x^2+7x-6=3(x+3)(x-2/3)=(x+3)(3x-2)
3х^2+7x-3 8x-3
= _________=________
2-9x^2 2-3x
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Answers & Comments
3x^2+7x-6=0
D=121
x1=-3
x2=2/3
3x^2+7x-6=3(x+3)(x-2/3)=(x+3)(3x-2)
Verified answer
3х^2+7x-3 8x-3
= _________=________
2-9x^2 2-3x