CBSE Class 8 Answered
Factorise : -5x^2-x+4
Asked by sanjaybalamurugan2005 | 14 Jan, 2020, 02:21: PM
Expert Answer
-5x2 - x + 4
= - (5x2 + x - 4)
= - (5x2 + 5x - 4x - 4)
= - [5x(x + 1) - 4(x + 1)]
= -1 × (x+1)(5x - 4)
Answered by Yasmeen Khan | 14 Jan, 2020, 05:21: PM
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