tolong dibantu ya , buat ulangan mtk

Lim. =f(x).g(x)
x->5
=(3x+5)(x²-10x+7)
=3x³-25x²-29x+35
=3(5)³-25(5)²-29(5)+35
=3(125)-25(25)-145+35
=375-625-145+35
=-250-145+35
=-395+35 = -365