Question

please explain this to me (u can explain in hindi)
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Answer 1

Answer:

Step-by-step explanation:

let third side be k

perimeter of triangle = sum of all sides

7x^2 - 17xy + 5y^2 + 8 =

(4x^2 +7xy + 4y^2 -3) + k +(x^2-8xy+6y^2+5)

7x^2-17xy+5y^2+8 = 5x^2-xy+10y^2+2+k

k = 7x^2-5x^2-17xy+xy+5y^2-10y^2+8-2

k = 2x^2-16xy-5y^2+6

Answer 2

Answer:

$\huge\underline\bold\red{AnsWeR}$

$k = 2x$