ICSE Class 8 Answered
Factorise the following -
1) 245x^5-80y^2x
Asked by Cl_narayan | 24 Dec, 2019, 08:04: AM
Expert Answer
245x5-80y2x
= 5x(49x4 - 16y2)
= 5x[(7x2)2 - (4y)2]
= 5x (7x2 - 4y)(7x2 + 4y) ...since a2 - b2 =(a - b)(a + b)
Answered by Yasmeen Khan | 24 Dec, 2019, 10:48: AM
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