Solve the equation. Write the smaller value of x. {x^2} - 4x - 5 = 0

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Solve the equation. Write the smaller value of x. {x^2} - 4x - 5 = 0

Mathematics
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try factoring out x^2-5x+x-5=0
x^2*x=-1.25
it is x=-1 @Aliypop

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x(x-5)+1(x-5)=0 (x+1)=0 and (x-5)=0 now solve for x
Don't forget to medal and fan if you already haven't. Plus send me a message if you need more help. @Aliypop
you would get 2 values for x...
so x=-1 and x=5 the smaller value is x=-1
okay
sorry I was talking to my mom
do you understand?
Find the value of x. x=-20/2(-5)
you just need to simplify to find x....what do u get?
I can't seem to get answer for simplifying it
|dw:1438102185070:dw|
2
correct
Find the value of x. x/52= 250 do I do the same as well ?
i got 0.1
to find x we need to multiply both sides of the equation by 52.. so we can get x alone at 1side of the equation so|dw:1438102872500:dw|
1,3000
13,000 correct
Find the value of x. 8x = - 28 Now I'm not sure if I add on this one ?
as you can see here x is being multiply by 8....so whats the opposite of multiplication? ...that way we can get the x at 1side of the equation to solve for it...
-2.5
we need to divide both sides of the equation by 8
so we get x=-28/8
i got -3.5
correct
\[x^2 - 4x - 5 = 0\\x^2-5x+x-5=0\\x(x-5)+1(x-5)=0\\(x-5)[x+1]=0\\ \implies\ (x-5)=0,\ or\ (x+1)=0\\ \implies\ x=5,\ or\ x=-1\\ as\ we\ haveto\ take\ smaller\ x\\ \therefore\ x=-1\ is\ desired\ answer.\]

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