Is my answer correct?

Question

Write this quadratic function in the vertex form y = 4(x+5)(x-2)
= 4(x² + 3x - 10)
= 4(x² + 3x + 9/4 - 10 - 9/4)
= 4(x² + 3x + 9/4) - 49
= 4(x+3/2)² - 49

Ans: y = 4(x+3/2)² - 49
Vertex = (-3/2, -49)

Answer 1

Yes,