PQRS is a rectangle with an area of 3 5cm 2 . Given Y = 12-X. show that x - 12x + 35=0

Question

asked Aug 6, 2022 182k views

1 Answer

Saket Mehta · Answer 1 · 2022-08-10T14:17:52+0000

Explanation:

Given that,

The area of a rectangle, A = 35 cm²

Let x is the length.

Width, Y = 12-x

We know that,

The area of a rectangle is given by :

A=lb

$x(12-x)=35\\\\12x-x^2=35\\\\-x^2+12x-35=0\\\\or\\\\x^2-12x+35=0$

Hence,
x^2-12x+35=0 .