Question

please solve it it's argent plese

Answer 1

let's start

(2x^2 - 5y ) (5x + 2y^2);x=2 y=-1

put x = 2 and y = -1

{2 ×4 -5(-1)} {5×2 + 2(-1)^2}

(8+5)(10+2)

13 × 12

156