18x + 5
2 - 4x - 2x + 4 = 6 - 6x
(4 + 2x) - (-2x + 1) = 13 + 6 4 + 2x + 2x -1 = 19 4x +3 = 19 4x = 19 - 3 4x = 16 therefore x = 16/4 x = 4
Add 4x + 2x = 6x + 4 = 6x + 4
(2x - 8)(-4x + 4) = -8x2 + 40x - 32
If 4x - 2x + 4 = 10, the solution is 2x + 4 = 10 and x = 3.
2 - 4x - 2x + 4 = 6 - 6x
(4 + 2x) - (-2x + 1) = 13 + 6 4 + 2x + 2x -1 = 19 4x +3 = 19 4x = 19 - 3 4x = 16 therefore x = 16/4 x = 4
Add 4x + 2x = 6x + 4 = 6x + 4
2x + 7 + 2x = 23 4x + 7 = 23 4x = 16 x = 16/4 x = 4
(2x - 8)(-4x + 4) = -8x2 + 40x - 32
If 4x - 2x + 4 = 10, the solution is 2x + 4 = 10 and x = 3.
2x + 33 = 4x + 11 -11 -11 2x + 22 = 4x -2x -2x 22 = 4x Divide each side by 4 x = 5.5
(4x^3 + 2x^2 + 3x + 4)/(x + 4) = 4x^2 - 14x + 59 - 232/(x + 4)
y = 2x^(2) + 4x + 8 dy.dx = 2(2)x^(2-1) + 4x^(1-1) +8x^(0) dy/dc = 2(2)x^(1) + (1)4x^(0) + (0)8x^(0-1) dy/dx = 4x + 4 + 0 dy/dx = 4x + 4 *The derivative). NB #1 The original index number becomes a coefficient ( in brackets). Then subtract '1' from the original index value, for the new index value. #2 Any term raised to the power of '0' = 1. #3 Any term multiplied by '0' = 0.
4x + 1 = 2x + 5 4x + 1 - 2x = 2x + 5 - 2x 2x + 1 = 5 2x + 1 - 1 = 5 - 1 2x = 4 2x/2 = 4/2 x = 2
5x-2x-3x+4x = (5-2-3+4)x = 4x
(2x+3)(2x+4)