REMOVING BRACKETS : REMOVING BRACKETS By Noel Platt
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets:
3(x+ y) SOLUTION
3(x+ y)
= 3x + 3y
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
6(3x+4) SOLUTION
6(3x+4)
=18x+24
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
- 4(2x + 5) SOLUTION
- 4(2x + 5)
= -8x -20
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
-7(3x-4) SOLUTION
-7(3x-4)
= -21x + 28
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
4(-3x-3) SOLUTION
4(-3x-3)
= -12x - 12
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
7x+8y+3(2x+4y) SOLUTION
7x+8y+3(2x+4y)
= 7x+8y +6x+12y
= 13x + 20y
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
12x-3y-2(4x+y) SOLUTION
12x-3y-2(4x+y)
= 12x -3y -8x – 2y
= 4x – 5y
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
12x+3y-(4x-2y) SOLUTION
12x+3y-(4x-2y)
=12x+3y -4x+2y
= 8x+ 5y
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
2(3x+2y)+3(3x+3y) SOLUTION
2(3x+2y)+3(3x+3y)
=6x+4y+9x+9y
= 15x + 13y
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
4(2x + 4y) + 5(6x -7y) SOLUTION
4(2x + 4y) + 5(6x -7y)
= 8x+16y +30x-35y
=38x-19y
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
5(3x-2y)-4(3x+4y) SOLUTION
5(3x-2y)-4(3x+4y)
= 15x-10y-12x-16y
= 3x-26y
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
7(3x-5y)-4(4x-5y) SOLUTION
7(3x-5y)-4(4x-5y)
= 21x-35y-16x+20y
=5x-15y
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
5x(2x + 3) - 2x(2x -1) SOLUTION
5x(2x + 3) - 2x(2x -1)
=10x2+15x-4x2+2x
=6x2 + 17x
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
3x(3x-2)-4x(3x+4) SOLUTION
3x(3x-2)-4x(3x+4)
= 9x2 -6x -12x2-16x
=-3x2 -22x
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
(3x+4)(2x-3) SOLUTION
(3x+4)(2x-3)
=3x(2x-3) +4(2x-3)
=6x2-9x+8x-12
=6x2-x-12
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
(3x + 2)(5x - 3) SOLUTION
(3x + 2)(5x - 3)
= 3x(5x-3) +2(5x-3)
=15x2-9x+10x-6
=15x2+x-6
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
(4x-3)(2x+l) SOLUTION
(4x-3)(2x+l)
=4x(2x+1) -3(2x+1)
=8x2+4x-6x-3
=8x2-2x-3
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
(3x-7)(2x - 8) SOLUTION
(3x-7)(2x - 8)
=3x(2x-8) -7(2x-8)
=6x2-24x -14x +56
=6x2-38x+56
REMOVING BRACKETS : REMOVING BRACKETS Write without brackets
(6x-2)2 SOLUTION
(6x-2)2
=(6x-2)(6x-2)
=6x(6x-2) -2(6x-2)
=36x2-12x-12x+4
=36x2-24x+4