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a+7=a*a+189
We move all terms to the left:
a+7-(a*a+189)=0
We get rid of parentheses
a-a*a-189+7=0
We add all the numbers together, and all the variables
a-a*a-182=0
Wy multiply elements
-1a^2+a-182=0
a = -1; b = 1; c = -182;
Δ = b2-4ac
Δ = 12-4·(-1)·(-182)
Δ = -727
Delta is less than zero, so there is no solution for the equation
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