5x^2-10x^2=7+x+x^2

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Solution for 5x^2-10x^2=7+x+x^2 equation: 



5x^2-10x^2=7+x+x^2

We move all terms to the left:

5x^2-10x^2-(7+x+x^2)=0

We add all the numbers together, and all the variables

-5x^2-(7+x+x^2)=0

We get rid of parentheses

-5x^2-x^2-x-7=0

We add all the numbers together, and all the variables

-6x^2-1x-7=0

a = -6; b = -1; c = -7;
Δ = b2-4ac
Δ = -12-4·(-6)·(-7)
Δ = -167
Delta is less than zero, so there is no solution for the equation

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