x2(5-10)=20

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Solution for x2(5-10)=20 equation: 



x2(5-10)=20

We move all terms to the left:

x2(5-10)-(20)=0

We add all the numbers together, and all the variables

x2(-5)-20=0

We multiply parentheses

-5x^2-20=0

a = -5; b = 0; c = -20;
Δ = b2-4ac
Δ = 02-4·(-5)·(-20)
Δ = -400
Delta is less than zero, so there is no solution for the equation

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