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Math·Advanced Math·Equivalent expressions

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$(4x+10)(2x+1)-(3x-13)$


For all values of $x$, the given expression is equivalent to which of the following?

I. $8x^2+21x+23$
II. $8x^2+24x+10-3x-13$

A

I only

B

II only

C

I and II

D

Neither I nor II