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12-10-2020
Mathematics

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Solve: x2 - 2x + 1 = 4
Please help me

Respuesta :

Аноним Аноним

12-10-2020

Let's solve your equation step-by-step.

x2−2x+1=4

Step 1: Subtract 4 from both sides.

x2−2x+1−4=4−4

x2−2x−3=0

Step 2: Factor left side of equation.

(x+1)(x−3)=0

Step 3: Set factors equal to 0.

x+1=0 or x−3=0

x=−1 or x=3

Answer:

x=−1 or x=3

Answer Link

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