text: perform the indicated operation.? 5x-2(5x^2-5x+5)+(7x^2+4x-4 a) -3x^2+4x-9 b) -3x^2+19x-14 c) 2x^2+14x-14 d) 17x^2+19x+14 5x - 2(5x² - 5x + 5) + (7x² + 4x - 4)  when multiplying by a negative number (- 2) the signs inside the parenthesis change  - to + and + to -  5x - 10x² + 10x - 10 + 7x² + 4x - 4  collect like terms  - 10x² + 7x² + 10x + 5x + 4x - 10 - 4  - 3x² + 19x - 14  the answer is (b) - 3x² + 19x - 14  - - - - - - - -s-