Math, asked by popuritirupati, 1 year ago

length=3x+1 breath=5-x find area of rectangle

Answers

Answered by sameer2739707
0

area of rectangle=1/2length×breath

000

Answered by 8334812253shinam
1

Area of rectangle is length x breath

= (3x+1)(5-x)

=15x-3x^2+5-x

=14x-3x^2+5

=-(3x^2-14x-5)

=-(3x^2+15x-x-5)

=-3x^2-15x+x+5

=-3x(x+5)+1(x+5)

=-(3x-1)(x+5).

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