How to factorise -x2-1-2a-a2
Asked by dnmgzp
| 23rd May, 2019,
10:18: AM
Expert Answer:
x2-1-2a-a2
= x2- (1+ 2a+a2)
= x2- (1+ a)2
= [x - (1 + a)][x + (1 + a)]
= (x - a - 1)(x + a + 1)
Answered by Yasmeen Khan
| 23rd May, 2019,
12:09: PM
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