(16-2*x)*(20-2*x)-(96)=0
16 - 2x = -2 • (x - 8)
20 - 2x) = -2 • (x - 10)
4 • (x - 8) • (x - 10) - 96 = 0
4x2 - 72x + 224 = 4 • (x2 - 18x + 56)
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96
(16-2*x)*(20-2*x)-(96)=0
16 - 2x = -2 • (x - 8)
20 - 2x) = -2 • (x - 10)
4 • (x - 8) • (x - 10) - 96 = 0
4x2 - 72x + 224 = 4 • (x2 - 18x + 56)