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4x^2+3x^2+225=180
We move all terms to the left:
4x^2+3x^2+225-(180)=0
We add all the numbers together, and all the variables
7x^2+45=0
a = 7; b = 0; c = +45;
Δ = b2-4ac
Δ = 02-4·7·45
Δ = -1260
Delta is less than zero, so there is no solution for the equation
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