What is solve: Definition and 4 Discussions

SOLVE (formerly SOLV, Sustaining Oregon's Legacy by Volunteering, originally an acronym for Stop Oregon Litter and Vandalism) is an environmental non-profit organization working throughout the U.S. state of Oregon. The group is based in Portland.

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  1. chwala

    Solve the equation : ##x^4+12x^3+2x^2+25=0##

    Wolfram gave the solution and a hint: i want to understand the hands on approach steps... In my approach (following Wolfram's equation) i have, ##(x-3)^2(2+12(x-3)+(x-3)^2=-25## ##(x-3)^2((x+3)^2-33)=-25## ##(x-3)\sqrt{((x+3)^2-33)}=-5i## ...
  2. chwala

    Solve the equation: ##\tan x ⋅\tan 4x = 1##

    I saw this link; is the approach here correct...
  3. groetschel

    Object A (in free fall) hits object B (ascending with constant velocity)

    DofA = D0 + 1/2at^2 DofB = vt DofA = DofB, but how do I solve this and get the time when A and B hit?
  4. chwala

    Solve the problem that involves diameter of the Bullseye

    I really do not understand what they are asking here...wording here in english is a bit confusing to me...but from similar examples, i made use of the approach below (which i still do not understand) hence my post. ##\dfrac{30π}{60 ×180} = \dfrac{0.0254}{d}## ##d = \dfrac{274.32}{30π}## ##d=...
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