2x²-x-1 reslove the following into factor
Answers
Answered by
8
Step-by-step explanation:
Given expression is 2x²-x-1
=>2x²-x-1
=>2x²-2x+x-1
=>2x(x-1)+1(x-1)
=>(x-1)(2x+1)
The factorization of 2x²-x-1 =(x-1)(2x+1)
Factors are =(x-1)(2x+1)=0
=>x-1=0 or 2x+1=0
X=1 and X=-1/2
Factors are 1 and -1/2
Answered by
0
Answer:
the favtors are (x - 1)(2x + 1)
Step-by-step explanation:
doing middle term split
2x^2 - x - 1
2x^2 - 2x + x - 1
2x(x - 1) + 1(x - 1)
(x - 1)(2x + 1)
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