Opuść nawiasy i przeprowadz redukcje wyrazow podobnych
2(4x^2 + 9 - 12x) - (x^2 - 9) =
= 8x^2 + 18 - 24x - x^2 + 9 = 7x^2 - 24x + 27
9 + 4x^2 - 12x - 2(x^2 - 16) =
= 9 + 4x^2 - 12x - 2x^2 + 32 = 41 + 2x^2 - 12x
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2(4x^2 + 9 - 12x) - (x^2 - 9) =
= 8x^2 + 18 - 24x - x^2 + 9 = 7x^2 - 24x + 27
9 + 4x^2 - 12x - 2(x^2 - 16) =
= 9 + 4x^2 - 12x - 2x^2 + 32 = 41 + 2x^2 - 12x