Odpowiedź :
Odpowiedź:
-5( 2x - 6xy+ 4z) = -10x + 30xy -20z
-(7x - 8y + 4z - 24xy) = -7x+8y-4z+24xy
4(2x-5y) + (-72x - 18y):9-(-32x-127)= 8x - 20y -8x -2y +32x + 127= 32x+127+(-22)
2a *3b - 2b + (-3b) - 5a 2 = 6ab-2b-3b -10a= 6ab-5b-10a
Odpowiedź:
-5( 2x - 6xy+ 4z) = -10x + 30xy -20z
-(7x - 8y + 4z - 24xy) = -7x+8y-4z+24xy
4(2x-5y) + (-72x - 18y):9-(-32x-127)= 8x - 20y -8x -2y +32x + 127= 32x+127+(-22)
2a *3b - 2b + (-3b) - 5a 2 = 6ab-2b-3b -10a= 6ab-5b-10a