Question

Multiply
(2y²-1) by (2y³+5y²)
please dasdo ​

Answer 1

4
`y^(5)` + 10
`y^(4)` - 2y³ - 5y²

Explanation:

Each term in the second factor is multiplied by each term in the first factor, that is

2y²(2y³ + 5y²) - 1(2y³ + 5y²) ← distribute both parenthesis

= 4
`y^(5)` + 10
`y^(4)` - 2y³ - 5y²