ICSE Class 9 Answered
Factorise:1. x^4 +9
2.4x^2-y^2-3xy+2x-2y
3.x^4-y^4+2y^2-1
Asked by hemanginivyas92.9spicertl | 26 Aug, 2020, 10:43: PM
Expert Answer
TO factorise: x4+9
x4+9 = (x2 + 3)2 - 6x2
To factorise: 4x2 - y2 - 3xy + 2x - 2y
Answered by Renu Varma | 27 Aug, 2020, 11:16: AM
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