bantuin nomer 15 sama 16 , soal integral...thanks

15).∫5x+6 dx
=5/1+1 ¹⁺¹ + 6x +C
=5/2x² + 6x + C

16).∫x²-8x-10 dx
=1/2+1 ²⁺¹ - 8/1+1 ¹⁺¹ - 10x +C
=1/3x³-4x²-10x +C

12/ f(x)= 4x³-8x²
= 2.4x^3-3 - 2.8x^2-2
=6x-16x