Question

Expand and combine like terms: (9y⁵+2)²​

Answer 1

(9y⁵+2)² = 81y¹⁰ + 36y⁵ + 4

Explanation:

(9y⁵+2)² = (9y⁵)² + 2(9y⁵)(2) + 2²

= (9)²(y⁵)²+ 36y⁵ + 4

= 81y¹⁰ + 36y⁵ + 4