84. Simplify (x) (b^2 – 49) (b + 7) + 343

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84. Simplify (x) (b^2 – 49) (b + 7) + 343
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84. Simplify (x) (b^2 – 49) (b + 7) + 343 84. Simplify (x) (b^2 – 49) (b + 7) + 343 July 21, 2021 Category: Chapter 14 - Factorisation , Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,
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