Question

Lenght and breadth of a rectangle are[ x+1 ][ x - 1] find the area

Answer 1

Answer:

x² - 1

Step-by-step explanation:

= x (x - 1) +1 (x - 1)

On solving the bracket, we get

= x² - x + x -1

= x² - 1 ----------------------( -x +x = 0 )

= So, the area of the rectangle is x² -1

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