Question

(X-1) ² - (½)² by using identity a²-b² = (a+b) ×(a+b

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Answer 1

Answer:

May be it's helpful for you

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Answer 2

Step-by-step explanation:

(X-1+1/2) (X-1-1/2) {a²-b² = (a+b) ×(a+b)}

2(X-1)+1 × 2(X-1)-1/2

2 2

2X-2+1 × 2X-2-1/2

2 2

2X-1 × 2X-3/2

2 2

2(2X-1) × 2(2X-3/2)

4X-2 × 4X-3

16X²-8X-12X-6

16X²-20X-6

16X²-24X+4X-6

8(2X²-3X) +2(2X-3)

(8+2) (2X-3)