Question

(3√5 - 4)²
Multiple answers:
45 - 16 = 29
45 + 16 = 61
9√5 + 16
9√5 - 16
None of the above

Answer 1

$3 {}^{2} \times ( \sqrt{5} ) {}^{2} - 4 {}^{2}$

$9 \times \sqrt{25} - 16$

$9 \times 5 - 16$

45-16=27