Simplify $\sqrt{36x^2 - 108x+81}$.
Answer & explanation
Correct answer: option 1
$\sqrt{36x^2 - 108x+81}$
Put x = 1
$\sqrt{36 × 1^2 - 108 × 1+81}$ = -3
Now match from the options by putting the value of x.
6x - 9 = 6×1 - 9 = -3 satisfied.
Simplify $\sqrt{36x^2 - 108x+81}$.
Correct answer: option 1
$\sqrt{36x^2 - 108x+81}$
Put x = 1
$\sqrt{36 × 1^2 - 108 × 1+81}$ = -3
Now match from the options by putting the value of x.
6x - 9 = 6×1 - 9 = -3 satisfied.