3x + 4 = 2x - 3
Subtract 2x from both sides: x + 4 = - 3
Subtract 4 from both sides: x = -7
Their graphs are.
(2, -1)
(x4 - 2x3 + 2x2 + x + 4) / (x2 + x + 1)You can work this out using long division:x2 - 3x + 4___________________________x2 + x + 1 ) x4 - 2x3 + 2x2 + x + 4x4 + x3 + x2-3x3 + x2 + x-3x3 - 3x2 - 3x4x2 + 4x + 44x2 + 4x + 40R∴ x4 - 2x3 + 2x2 + x + 4 = (x2 + x + 1)(x2 - 3x + 4)
3x+56 = 2x+4 3x-2x = 4-56 x = -52
x=6
Their graphs are.
(2, -1)
(x4 - 2x3 + 2x2 + x + 4) / (x2 + x + 1)You can work this out using long division:x2 - 3x + 4___________________________x2 + x + 1 ) x4 - 2x3 + 2x2 + x + 4x4 + x3 + x2-3x3 + x2 + x-3x3 - 3x2 - 3x4x2 + 4x + 44x2 + 4x + 40R∴ x4 - 2x3 + 2x2 + x + 4 = (x2 + x + 1)(x2 - 3x + 4)
3x+56 = 2x+4 3x-2x = 4-56 x = -52
-3x+14 = -4 -3x = -4-14 -3x = -18 x = 6
x=6
6x+4=3x+12 => 6x-3x=12-4 => 3x=8 => x=8/3=2.666...
3x+8 = 12 3x = 4 x = 4/3
5x - 4 = 3x + 6 5x - 3x = 6 + 4 2x = 10 x = 5
1
2x-4
y=3x+4 -3x+y=4 x=-1/3