10(x-2)^2-5x(2x-1)=-4
10*(x - 2)^2 - 5x(2x - 1) = - 4
10*(x^2 - 4x + 4) - 10x^2 + 5x + 4 = 0
10x^2 - 40x + 40 - 10x^2 + 5x + 4 = 0
- 35x + 44 = 0
- 35x = - 44
x = 44/35 ≈ 1,257
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10*(x - 2)^2 - 5x(2x - 1) = - 4
10*(x^2 - 4x + 4) - 10x^2 + 5x + 4 = 0
10x^2 - 40x + 40 - 10x^2 + 5x + 4 = 0
- 35x + 44 = 0
- 35x = - 44
x = 44/35 ≈ 1,257