Algebra Formulas for Class 8
Some essential 8th-class formulas related to Algebra are:
Algebraic Identities For Class 8
(a + b)2 = a2 + 2ab + b2
(a − b)2 = a2 − 2ab + b2
(a + b) (a – b) = a2 – b2
(x + a) (x + b) = x2 + (a + b)x + ab
(x + a) (x – b) = x2 + (a – b)x – ab
(x – a) (x + b) = x2 + (b – a)x – ab
(x – a) (x – b) = x2 – (a + b)x + ab
(a + b)3 = a3 + b3 + 3ab (a + b)
(a – b)3 = a3 – b3 – 3ab (a – b)
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