Question

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

Answer 1

Answer:

Step-by-step explanation:

=(9y^5+2)^2

=(9y^5)^2+2*9y^5*(2)^2

=81y^5+4*9y^5+8

=81y^5+36y^5+8

solved

Answer 2

Formula : (a+b)^2 = a^2 +2ab + b^2

(9y^5 + 2)^2 = (9y^5)^2 + 2(9y^5 × 2) + 2^2

= 9y^10 + 36y^5 + 4