Can anyone teach me how to factorize quadratic polynomials like:-
x^2 + 2x - 15
x^2 - 10x + 24
x^2 + 6x + 9
3x^2 + 2x - 8
Please give me an easy way to do it. I'm just an 8th grader.

Question

Can anyone teach me how to factorize quadratic polynomials like:-
x^2 + 2x - 15
x^2 - 10x + 24
x^2 + 6x + 9
3x^2 + 2x - 8
Please give me an easy way to do it. I'm just an 8th grader.

anonymous · Answer

this has a good tutorial os splitting the middle term - http://www.teacherschoice.com.au/Maths_Library/Algebra/Alg_18.htm

anonymous · Answer

@ParthKohli your a 8th grader?

anonymous · Answer

Okay so the easiest way to do these is use this calculator http://www.algebrahelp.com/calculators/expression/factoring/

anonymous · Answer

lol wolframalpha is better at that

parthkohli · Answer

@problemsolver I saw this some time ago. I want to understand it instead of going here and there. Yes, wolframalpha is, but won't help me in my competitives :P
@kumarsajan I am.