7-6(a2)=9+a

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Solution for 7-6(a2)=9+a equation:



7-6(a2)=9+a
We move all terms to the left:
7-6(a2)-(9+a)=0
We add all the numbers together, and all the variables
-6a2-(a+9)+7=0
We add all the numbers together, and all the variables
-6a^2-(a+9)+7=0
We get rid of parentheses
-6a^2-a-9+7=0
We add all the numbers together, and all the variables
-6a^2-1a-2=0
a = -6; b = -1; c = -2;
Δ = b2-4ac
Δ = -12-4·(-6)·(-2)
Δ = -47
Delta is less than zero, so there is no solution for the equation

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