4t-7=t(t+5)

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Solution for 4t-7=t(t+5) equation:



4t-7=t(t+5)
We move all terms to the left:
4t-7-(t(t+5))=0
We calculate terms in parentheses: -(t(t+5)), so:
t(t+5)
We multiply parentheses
t^2+5t
Back to the equation:
-(t^2+5t)
We get rid of parentheses
-t^2+4t-5t-7=0
We add all the numbers together, and all the variables
-1t^2-1t-7=0
a = -1; b = -1; c = -7;
Δ = b2-4ac
Δ = -12-4·(-1)·(-7)
Δ = -27
Delta is less than zero, so there is no solution for the equation

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