can someone give me harder factorising questions..? (1 Viewer)

[RealiseNothing]

and



Hence we can rewrite the equation as:



We subtract the last term since it's not in the original equation when you expand the brackets. Using difference of two squares:



We can use the same technique as before, we notice they are all in standard form except they have an extra :



The last step isn't necessary, but I like to do it anyway.

 

[girlworld_club]

why did u minus 4a^2-b^2

 

[D94]

why did u minus 4a^2-b^2

If you expand out and compare it to the question, you will get an extra , hence why you need to minus it from the new expression.

 

[gurmies]

Factorise x^5 + x^4 + 1

 

[girlworld_club]

i don't get it what's the answer.

 

[Spiritual Being]

Looking at this shit and thanking god because of how simple my life is.