alwrn16 alwrn16

12-05-2020
Mathematics

contestada

Solve: x2 − 2x + 1 = 4

Respuesta :

12-05-2020

x^2-2x+1=4 subtract 4 from both sides

x^2-2x-3 factor

(x-3)(x+1) set equal to zero

x=3, -1

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