Question

forma reduzida os polinomios
a) -3a +5ab+5b -7ab -7a + b - ab=
b) 4ab - ( -a +b) - ( c + 8a - ab ) + ( 4a - c )=

Answer 1

a) -3a + 5ab + 5b - 7ab - 7a + b -ab
= -10a - 3ab + 6b

b) 4ab - (-a + b) - (c + 8a - ab) + (4a - c)
= 4ab + a - b - c - 8a + ab + 4a - c
= 5ab - 3a - b - 2c