1.

x 2 - 8 x - 1280 = 0

Answer»

x^2 - 8x - 1280 = 0

x^2 - 40x + 32x - 1280 = 0

x(x - 40) + 32(x - 40) = 0

(x + 32)(x - 40) = 0

x = - 32, 40

ye ans Kaise aaya



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