jika a dan b akar-akar persamaan x^2+5x-3=0 maka nilai dari a^3b^2+a^2b^3 adalah

x^2 + 5x - 3 = 0
a + b = x1 + x2 = -b/a = -5/1 = -5
a.b = x1.x2 = c/a = -3/1 = -3

a^3b^2 + a^2b^3 = a^2b^2 (a + b)
= (ab)^2 (a + b)
= (-3)^2 (-5)
= 9 (-5)
= -45