Question

(1) ×2-6×=0
(2) ×2-16=0
(3) ×2-1=0
(4 ×2+×=0

Answer 1

A)

x² —6x = 0

x ( x —6 ) = 0

x=0 V x = 6

B)

x² —16 = 0

x² = 16

x = +√16

x = ±4

C)

x² — 1 = 0

x² = 1

x = ±√1

x = ±1

D)

x² + x = 0

x ( x+1) = 0

x = 0 V x = —1

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