Question

Please answer this question ​

Answer 1

Answer :

14x-12

Solution :

Given

Area of rectangle

= 10x² - 9x - 7

= 10x² - 14x + 5x - 7

= 2x(5x - 7) + (5x - 7)

= (5x - 7)(2x + 1)

Also ,

Area of rectangle

= L1×L2

Where L1 and L2 are the dimensions of the rectangle .

Consider L1 = 5x - 7 and L2 = 2x + 1

Now ,

We know that ,

Perimeter of rectangle

= 2(L1 + L2)

•°• P = 2(5x - 7 + 2x + 1)

= 2(7x - 6)

= 14x - 12

Answer 2

Answer:

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