which of the following has 2 as aroot xsquare-4x+5=0 xsquare+3x-12=0 2xsquare-7x+6=0 3xsquare-6x-2=0
chandrakala97:
hi
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Answer:
2x^2-7x+6=0
Step-by-step explanation:
Substitute 2 in each Equation and check out which of the Equations satisfy
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Answered by
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Heyaa☺
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An equation which have 2 as its root is 2x^2-7x+6 = 0.
By substituting 2 in x,
2(2)^2 - 7(2) + 6 = 0
2(4) - 14 + 6 = 0
8 - 14 + 6 = 0
-6 + 6 = 0
=》 0 = 0.
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Hope you understand...✌
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