Yo, if these subjects make you wanna cry like they did to me, here’s the real short version that actually worked.

First, don’t memorize—understand the story.
Why does derivative show change right now? Why F=ma feels true when you push a heavy box? Why elements in periodic table behave in families? Get the “why” first, formulas stick automatically.

Second, do problems daily, no excuses.
30–50 minutes focused > binge studying. Easy ones first to build confidence, then harder. Fix every mistake immediately—that’s where learning happens. I did this consistently and went from failing quizzes to solving finals okay.
Third, when stuck, use videos fast.

Fourth, don’t study like zombie.
Sleep, eat, move. One sharp hour beats four tired ones.

Last, be patient.

Progress slow then boom—you suddenly “get it”.

I improved from B to solid A just doing these simple things daily.

Try for 30 days. You’ll see.