Question

x elevado a 2-13x=0........URGENTEEEEEEEEE

Answer 1

Boa tarde!

X² -13x = 0

A = 1

B= -13

∆ = b² -4.a.c

∆ = (-13)² -4.1.0

∆ = 169

X = -b±√∆/ 2.a

X= -(-13)√169/2

X' = 13+13/2

X' = 26/2

X' = 13

X" = 13-13/2

X" = 0

S= {0,13}

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