Question

factorise x^4-14x2y^2-51y^4​

Answer 1

Answer:

I think it's helpful to you

Answer 2

Step-by-step explanation:

x⁴-14x²y²-51y⁴

x⁴-17x²y²+3x²y²-51y⁴

x²(x²-17y²)+3y²(x²-17y²)

(x²-17y²)(x²+3y²)