Fill in the blanks. x^2-18 x+81=( _ _ _ _) - Vidyadip

Question

Fill in the blanks.
$x^2-18 x+81=(\_\_\_\_)$

✓

Answer

$x^2-18 x+81=(x-9)^2$
Solution:
$ x^2-18 x+81 $
$=x^2-2 \times x \times 9+9^2 $
$=(x-9)^2$

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