can we split this polynomial : -a^2-a-40=0
Answers
Answered by
1
No.
It can't be splitted.
It is because there is no factors of 40 whose sum or product would be -1.
Answered by
0
Answer:
If in question their 3a then it will solved like this but with a it is not possible.
L.H.S
=-(a^2+3a+40)
=-(a^2+8a+5a+40)
=-{a(a+8)+5(a+8)}
=-(a+8)(a+5)
=(a-8)(a-5)
a=8 or 5
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