" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2n²-3n²-5n²+7n-3n²-9n= -9n²-2n
b)
-0,2x²-2x+1,9x²-x+0,2x²=1,9x²-3x
a ) -9n^2 - 2n
b) 1,9 x^2 - 3x