Question

Simplify the following expressions :
(i) (2x - 1)2 – (x - 1)?​

Answer 1

Answer:

(2x-1)²-(x-1)

(2x)²-2(2x)(1)+1²-x+1

4x²-4x-x+2

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

4x²-4x+1-(x-1)=0

x²-4x+1-(x-1)=0/4

x²-4x+1-(x-1)=0

x²-x+1-x-1=0/4

x²-2x+0=0

x²-x=0/2

2x²-2x=0