Question

The area of a rectangle is given by A = 8 x²− 2 x − 15. If the length was larger than the breadth, then the length can be....
..plz do solve​

Answer 1

Answer:

ANSWER

Let the shorter side of triangle =x cm

The other side of the triangle =(x+5)cm

The area of reactangle

(x+5)(x)=150

⇒ x

2

+5x−150=0

⇒ (x+15)(x−10)=0

⇒ either x=−15 or x=+10

Since the side cannot be negative

Therefore the value of c=−15 is negligible

When x=10cm, then the other side =10+5=15cm

Answer 2

Answer:

Let the shorter side is triangle=x cm

The other of side of the triangle=(x+5)cm

Area of Rectangle=(x×5)(x)=150

=>x

2

+5x-150=0

=>(x+15)(x-10)=0

=>either x=-5 or x=+10

since the side cannot be negative

Hence,the value of c=-15 is negligible

When x=10cm then the outer side=10+5=15 cm

Hope it helps!

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