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The sides of a rectangle are (2x 1) and (x-3) if the perimeter is 32cm what is the value of x?

Sagot :

Answer:

Step-by-step explanation:

Add the equation.

(2x+1)(x-3)=32

2x^2-6x+x-3=32

2x^2-5x-3=32

2x^2-5x-35=0

Quadratic formula -> (5+sqrt305)/4.

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