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araana24
23.06.2019 •
Mathematics
X^2+14=9x a) x = 2, x = 7 b) x = 3, x = 5 c) x = −2, x = −7 d) x = −3, x = −5
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Ответ:
Square both sides and you get
X+14=3x subtract 14 from both sides
Z
X=3x-14 subtract 3x
-2x=-14 divide negative 2
X=7
Ответ:
216
Step-by-step explanation:
i dont know if this is a b or c to you but. that is my answer