Question

(y-7)² + (y-8x) (y+8x)​

Answer 1

Answer:

2y^2-14y+49-64x^2

Step-by-step explanation:

Answer 2

(y-7)² + (y-8x) (y+8x)

(y-7)²+(y²-8x²)

y²+7²-2×y×7 + y²+64x²

y²+49-14y+y²+64x²

y²+y²+64x²-14y+49

2y²+64x²-14y+49 Ans.