anonymous
  • anonymous
Solve: 4x^2+10x=-1 I'd like somebody to walk me through the steps.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Owlfred
  • Owlfred
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myininaya
  • myininaya
add 1 to both sides 4x^2+10+1=0 Do you know the quadratic formula?
anonymous
  • anonymous
or just transpose -1 one to the left then get the opposite sign

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anonymous
  • anonymous
bro you got like 4x^2 +10 - 1 = 0 you cant factor so you gotta quadratic forumal that -b (plus or minus) Root(b^2-4AC) all divided by 2A
anonymous
  • anonymous
that is supposed to be a plus 1 not a minus
gw2011
  • gw2011
The equation becomes: 4x^2+10x+1=0 You need to use the quadratic formula which is: x=[-b+/-square root(b^2-4ac)]/2a a=4 b=10 c=1 x=[-10+/-square root(10^2-4(4)(1)]/2(4) x=[-10+/-square root(100-16)]/8 x=[-10+/-square root(84)]/8 x=[-10+/-square root(4)*(21)]/8 x=[-10+/-2(square root 21)/8 You can reduce 10, 2 and 8 since each is divisible by 2 and you get: x=[-5+/-(square root 21)]/4=(-5+square root 21)/4 and (-5-square root 21)/4

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