Question

8 The area of a rectangle is (x²-x-12) units. Its length and breadth are- *

2 points

(x+3) and (x-4) units

(x+12) and (x-1) units

(x-4) and (x+3) units

(x-6) and (x+2) units​

Answer 1

$\large\sf ☯Answer:$

Length and breadth of rectangle are (x+3)(x-4)

Given:

Area of rectangle=(x²-x-12)

To find:

Length and breadth of rectangle

Concept:

find the length and breadth of rectangle we have to factorise it.

Solution:

x²-x-12

x²-4x+3x-12

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

(x-4)(x+3)

Answer 2

Answer:

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