Respuesta :

sensationalsarath

Area of a rectangle is lxb

(4x-3) * (2x+6) = 500

{(4x * 2x) + (4x * 6)} + {( -3 * 2x) + (-3 * 6)} - multiplying the factors

{8x^2 + 24x} + {-6x + -18}

8x^2 + 24x -6x -18 - removing the brackets

8x^2 +15x -18

Hope you found the answer helpful