(t-7)(t-7)+18=9

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Solution for (t-7)(t-7)+18=9 equation: 



(t-7)(t-7)+18=9

We move all terms to the left:

(t-7)(t-7)+18-(9)=0

We add all the numbers together, and all the variables

(t-7)(t-7)+9=0

We multiply parentheses ..

(+t^2-7t-7t+49)+9=0

We get rid of parentheses

t^2-7t-7t+49+9=0

We add all the numbers together, and all the variables

t^2-14t+58=0

a = 1; b = -14; c = +58;
Δ = b2-4ac
Δ = -142-4·1·58
Δ = -36
Delta is less than zero, so there is no solution for the equation

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