Trigonometry Examples

$- \sqrt{81 m^{64}}$

Step 1

Rewrite $81 m^{64}$ as ${(9 m^{32})}^{2}$ .

$- \sqrt{{(9 m^{32})}^{2}}$

Step 2

Pull terms out from under the radical, assuming positive real numbers.

$- (9 m^{32})$

Step 3

Multiply $9$ by $- 1$ .

$- 9 m^{32}$