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Let m = 2x+3 Which equation is equivalent to (2x+3)^2-14x-21=-6 in terms of m

Let m = 2x+3 Which equation is equivalent to (2x+3)^2-14x-21=-6 in terms of m-example-1
User Haniff
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Answer:

(D)
m^2-7m+6=0

HOPE IT HELPS!

User Prid
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