Question

If the area of rectangle is 7x2 - 25x - 12. What will be length and breadth

Answer 1

Answer:

For this we will factorise it by splitting the middle terms-

Step-by-step explanation:

Area = 7x^2-25x-12

Factoring

7x^2-25x-12

7x^2-28x+3x-12

7x(x-4)+3(x-4)

(7x+3)(x-4).

Hence length of rectangle could be (7x+3) and breadth as (x-4).

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Answer 2

Answer:

thus length=7x-4

and breadth

Step-by-step explanation:

7x²- 25x +12

=7x²-21x-4x+12

=7x( x-3)-4(x-3)

=(x-3)(7x-4)

We know that

Area= length x Breadth

Here Area=(x-3)(7x-4)

thus length=7x-4

and breadth