Question

$2x(x - 2)^{2} + 3x(x + 3)^{2} - x^{2} (x - 5)$
what is this simplified? ​

Answer 1

= x·[2(x²- 4x + 4) + 3(x² + 6x + 9) - x² + 5x]

= x(2x² - 8x + 8 + 3x² + 18x + 27 - x² + 5x)

= x(4x² + 15x + 35)