3-9x2+15*3=90

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Solution for 3-9x2+15*3=90 equation: 



3-9x^2+15*3=90

We move all terms to the left:

3-9x^2+15*3-(90)=0

determiningTheFunctionDomain
-9x^2+3-90+15*3=0

We add all the numbers together, and all the variables

-9x^2-42=0

a = -9; b = 0; c = -42;
Δ = b2-4ac
Δ = 02-4·(-9)·(-42)
Δ = -1512
Delta is less than zero, so there is no solution for the equation

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