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2(4x+6+2)(8x+30)=12x+72x
We move all terms to the left:
2(4x+6+2)(8x+30)-(12x+72x)=0
We add all the numbers together, and all the variables
2(4x+8)(8x+30)-(+84x)=0
We get rid of parentheses
2(4x+8)(8x+30)-84x=0
We multiply parentheses ..
2(+32x^2+120x+64x+240)-84x=0
We multiply parentheses
64x^2+240x+128x-84x+480=0
We add all the numbers together, and all the variables
64x^2+284x+480=0
a = 64; b = 284; c = +480;
Δ = b2-4ac
Δ = 2842-4·64·480
Δ = -42224
Delta is less than zero, so there is no solution for the equation
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