12. If x=2 is a zero of the polynomial P(x)=2x² - 3x +7a, find the value of a.
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Answered by
2
is x=2 is the zero of the polynomial so when we put this value in polynomial the whole value turns out to be zero
so
putting x=2 and equating with zero
8-6+7a=0
7a=-2
so
a=-2/7
Answered by
0
Answer:
hi
Step-by-step explanation:
p(x) 2(2)square - 3(3)+7a
- 8-6+7a is equal to 0
- 2+7a: 0
- 7a is equal to 2
- a is equal to 2-7
- a is equal to -5
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