" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
^2 - do potęgi 2
a) (x+4)^2
b) (4a - 3b)^2
c) (4x-5)*(4x+5)
d) (0,5m-0,1)^2
e) (1/2xy+1)^2
f) (0,4m-0,2n)*(0,4m+0,2n)
g) (9x^2+5y)^2
7.5
a) (x-2)(3+y)
b) (2x-1)(2a-b)
c) (4a+3b)(2x+3y+1)
d) (a-b)[1+3(a-b)-(a-b)^2]=(a-b)(1+3a-3b-a^2+2ab-b^2)
e) (x+2)[3(x+2)+(2x-1)-1]=(x+2)(5x+4)
f) (a-b)[4(a+b)+1]=(a-b)(4a+4b+4)
g) (a-b)[2(a-b)-(a+b)]=(a-b)(a-3b)