Question

-36с-3(5-6с)^2
Упростите

Answer 1

$- 36c - 3 \times (5 - 6c) ^{2} = - 36c - 3 \times (25 - 60c + 36 {c}^{2} ) = \\ = - 36c - 75 + 180c - 108 {c}^{2} = - 108 {c}^{2} + 144c - 75$