If value of the polynomial m²-2am+14for m=9is29. find value ofa
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Answer:
a= -2/23
Step-by-step explanation:
9^2-2a×9+14=29
81-2a×23=29
-2a×23=29-81
-2a×23 = -52
-2a= -52/23
a = -52/23÷(-2)
a= -52/23×1/2
a = -52/46
a = - 2/23
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