Question

What is (5x-2)(2x+7) do you know

Answer 1

`(5x - 2)(2x + 7) \\ 10 {x}^(2) + 35x - 4x - 14 \\ 10 {x}^(2) + 31x - 14`

I hope I helped you^_^

Answer 2

integral_(-7/2)^(2/5) (7 + 2 x) (-2 + 5 x) θ(-(7 + 2 x) (-2 + 5 x)) dx = -19773/200 = -98.865