given the 1 is a zero of the polynomial 2x2+x2-2x-1, find all the zeros
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Answered by
0
Answer:
so 3 is the right answer
Step-by-step explanation:
2×2+2x-2x-1
4-1
3
Answered by
1
Answer:
2x²+x²-2x-1=0
3x²-2x-1=0
3x²-3x+x-1=0
(3x²-3x)+(x-1)=0
3x(x-1)+1(x-1)=0
(3x+1)(x-1)=0
3x+1=0
3x=-1
x=-1/3
Step-by-step explanation:
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