Question

factorise each of the following expressions x^2-14xy+49y^2​

Answer 1

Answer:

(x-7y)(x-7y)

Step-by-step explanation:

Step wise soln in picture

Answer 2

Step-by-step explanation:

Hi, here is ur answer

for solving this ques. we will use quad. Formula

so, D= b²-4ac

= (-14y)²-4(1)(49y²)

= 196 y²-196y² = 0

so , the given eq_n has equal roots

x=( -b+-√D)/2a

= (14y +- 0) /2

x¹ = 14y/2 = 7y

x²= 14y/2 = 7y