Usuń nawiasy i wykonaj redukcję wyrazów podobnych:
a) 7x - 8 - (5x +6) =
b) 4(3a +4x) =
c) (4a + 5b) - (3b+a) =
d) - ( - 5c -8) +( 6 - 9c) =
e) -2a (a - 5x 2) =
f) 3(2x - 3y) - 2 (5x +5y)=
g) 6 (2a - 6b +2c) =
h) 2 (3a - b) + 3 (a - b) =
i)3 (b - 5a) + (3b +a) =
j) (3+a) (x+2y) =
k) (y+2x+2) ( 2y +x -2) =
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a) 7x - 8 - (5x +6) =7x-8-5x-6=2x-14
b) 4(3a +4x) =12a+16x
c) (4a + 5b) - (3b+a) =4a+5b-3b-a=3a+2b
d) - ( - 5c -8) +( 6 - 9c) =5c+8+6-9c=-4c+14
e) -2a (a - 5x 2) =-2a^2+10ax^2
f) 3(2x - 3y) - 2 (5x +5y)=6x-9y-10x-10y=-19y-4x
g) 6 (2a - 6b +2c) =12a-36b+12c
h) 2 (3a - b) + 3 (a - b) =6a-2b+3a-3b=9a-5b
i)3 (b - 5a) + (3b +a) =3b-15a+3b+a=6b-14a
j) (3+a) (x+2y) =3x+6y+ax+2ay
k) (y+2x+2) ( 2y +x -2) =2y^2+xy-2y+4xy+2x^2-4x+4y+2x-4=5xy+2y^2+2x^2+2y-2x-4
a)7x-8-5x-6=2x-14
b)12a+16x
c)4a+5b-3b-a=3a+2b
d)5c+8+6-9c=-4c+14
e)-2a^+10ax^
f)6x-9y-10x-10y=-4x-19y
g)12a-36b+12c
h)6a-2b+3a-3b=9a-5b
i)3b-15a+3b+a=6b-14a
j)3x+ax+6y+2ay
k)2y^+4xy+4y+xy+2x^+2x-2y-4x-4=2y^+5xy+2y+2x^-2x-4
^ oznacza do kwadratu