3(x2+5)=(x2-5)

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Solution for 3(x2+5)=(x2-5) equation:



3(x2+5)=(x2-5)
We move all terms to the left:
3(x2+5)-((x2-5))=0
We add all the numbers together, and all the variables
3(+x^2+5)-((+x^2-5))=0
We multiply parentheses
3x^2-((+x^2-5))+15=0
We calculate terms in parentheses: -((+x^2-5)), so:
(+x^2-5)
We get rid of parentheses
x^2-5
Back to the equation:
-(x^2-5)
We get rid of parentheses
3x^2-x^2+5+15=0
We add all the numbers together, and all the variables
2x^2+20=0
a = 2; b = 0; c = +20;
Δ = b2-4ac
Δ = 02-4·2·20
Δ = -160
Delta is less than zero, so there is no solution for the equation

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