Answer:
4x² + 12x - 40 = 0
Step-by-step explanation:
Given the roots are x = 2 and x = - 5 then
the factors are (x - 2) and (x + 5) and the product
(x - 2)(x + 5) = 0 ← expand factors using FOIL
x² + 5x - 2x - 10 = 0, that is
x² + 3x - 10 = 0 ← multiply through by 4
4x² + 12x - 40 = 0
