New Learning Composite Mathematics SK Gupta Anubhuti Gangal Class 8 Factorisation of Algebraic Expressions Self Practice 6E Solution
Factories completely:
(1)(a) y2 – 9
(b) x2 – 25
(c) 9x2 – 4
(d) 49x2 – 64
(e) – 16 + x2
(f) p6 – 36
(g) 144x4y2 – z2
(h) x6 – y4
(i) a2/9 – b2/16
(j) 25/36 x5 – y4
(k) – 25 + 1/64 b2
SOLUTION Number 1:
(2) (a) x2 + 8x + 16 – y2
(b) (a – b)2 – x2
(c) b2 – 6b + 9 – c2
(d) y2 – b2 – 8b – 16
(e) x2 – c2 – 4 + 4c
(f) a2 – b2 – 10bc – 25c2
(3) (a) 5p2 – 5
(b) 8a2 – 32
(c) 16 – 10x2y2
(d) 2a3b4 – 98ab2
(e) c2 – 6c + 9 – y2
(f) x3 + x2 – 4x – 4
(g) m3 – mn2 – m2 + n2
SOLUTION Number
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