formulas of chapter factorisation
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factorisation method is three types ;
1.simpaly factorisation method .
2. sidharachary .
3. complete square method.
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Answer:(a+b)^2=a^2+2ab+b^2
(a-b)^2=a^2-2ab+b^2
(x+a)(x+b)=x^2+(a+b)x+ (ab)
a^2-b^2 =(a+b) (a-b)
Step-by-step explanation:
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