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Mathematics
Roderick Barajas
1 March, 13:20
Find the solution of - x-2-10x=25
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Maggie Holmes
1 March, 14:23
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X=-2.45
Step-by-step explanation:you have to combine the x's which gives you - 11x-2=25 so then you have to add two to 25 and it leaves you with - 11x=27 and then you just divide 27 by - 11 and x is - 2.45
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Abram Wiley
1 March, 16:13
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x = - 5
Step-by-step explanation:
start with factoring
-x^2 - 10x - 25 = 0 (i moved 25 to the left side)
then you can multiply the entire equation by - 1 to get rid of the negative sign
x^2 + 10x + 25 = 0
now 5x5 = 25 and 5+5 = 10.
so (x^2 + 5x + 5x + 25) = 0
x (x+5) 5 (x+5) = 0
(x+5) (x+5) = 0
(x+5) ^2 = 0
so x = - 5
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