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Can any kind soul help me​

Can any kind soul help me​-example-1

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Answer:

x^2+2hx+4=x

=>x^2 + 2hx +4 -x = 0

=> x^2 +hx + 4 =0

For one root, the roots have to be equal, so the discriminant = 0

b^2 - 4ac = 0

=> h^2 - 4(1)(4)=0

=> h^2 -16 = 0

=> h^2 = 16

Therefore h = 4 :)

User Vahe Muradyan
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