Question

The perimeter of a triangle is 18x^2-18x+8 and two of its sides are 3x^2+9x-2 and 7x^2-12x+6. Find the third side.​

Answer 1

Answer:

Ok i will give you a answer step by step.

Step-by-step explanation:

Formula For Perimeter of triangle = (side)

1

+(side)

2

+(side)

3

Using formula We have :-

(15x

2

−23x+9) = 5x

2

+8x−1+6x

2

−9x+4+(side)

3

⇒ (15x

2

−23x+9)= 11x

2

−x+3+(side)

3

⇒ (side)

3

=15x

2

−23x+9−11x

2

+x−3

⇒ (side)

3

= 4x

2

−22x+6

The answer is 4x

2

−22x+6