Question

3^3-5[6-2(9-10)^2] simplify the equation

Answer 1

$3^3-5\cdot[6-2\cdot(9-10)^2]\\\\=27-5\cdot[6-2\cdot(-1)^2]\\\\=27-5\cdot(6-2\cdot1)\\\\=27-5\cdot(6-2)\\\\=27-5\cdot4\\\\=27-20\\\\=\boxed{7}$