Ответ:
7х²+22х-29=0
D=22²-4×7×(-29)=484+812=1296
x¹=-22-√1296/2×7=-22-36/14=-58/14=-4 1/7 ~ -4,1
x²=-22+√1296/2×7=-22+36/14=14/14=1
Ответ: Х¹=-4,1, Х¹=1
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Ответ:
7х²+22х-29=0
D=22²-4×7×(-29)=484+812=1296
x¹=-22-√1296/2×7=-22-36/14=-58/14=-4 1/7 ~ -4,1
x²=-22+√1296/2×7=-22+36/14=14/14=1
Ответ: Х¹=-4,1, Х¹=1