x3 + 2x2 - 8x + 5 = 0 x(2x - 8) + 5 = 0
26
2x2 + 11x + 12 = 2x2 + 3x + 8x + 12 = x*(2x + 3) + 4*(2x + 3) = (2x + 3)*(x + 4)
2x2 = 8x x = 8x/2x x = 4 Check: 2(4)2 = 8(4) 2(16) = 32 32 = 32
That equation has no solutions.There's no number that can go in place of 'x' that canmake the equation a true statement.
x3 + 2x2 - 8x + 5 = 0 x(2x - 8) + 5 = 0
26
2x2 + 11x + 12 = 2x2 + 3x + 8x + 12 = x*(2x + 3) + 4*(2x + 3) = (2x + 3)*(x + 4)
2x2 = 8x x = 8x/2x x = 4 Check: 2(4)2 = 8(4) 2(16) = 32 32 = 32
That equation has no solutions.There's no number that can go in place of 'x' that canmake the equation a true statement.
Do you mean 2x²? Assuming this is the case: 2x² - 3x + 8x - 12 = 2x² + 5x - 12 = (2x - 3)(x + 4)
2 this Domo
-3.........
-4
y=-2x^2+8x+3
Two solutions and they are:- x = 0 and y = 3
-1/2