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ashlee7877

ashlee7877

26.06.2020 •

Mathematics

How do you solve x2 + 6x = 135

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Ответ:

jamilamiller200

29.01.2022

-15 and 9

Step-by-step explanation:

$x^2+6x=135 \\\\\\x^2+6x-135=0 \\\\\\x=\dfrac{-6\pm\sqrt{36+540}}{2}=\dfrac{-6\pm\sqrt{576}}{2}=\dfrac{-6\pm24}{2}=-3\pm12=-15,9$

Hope this helps!

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Ответ:

emmahirstein

05.09.2021

Step-by-step explanation:

In the figure, lines a and b are parallel lines. Select all statements that are true. I WILL GIVE BR

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