- x - 2y + 9x - y + 3x = 0
1.) Add like - terms
11x - 3y = 0
x = - 3/11y
y = 11/3y
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A = 3x2 + 9xy + 6y2l = 3x + 6yA = l×w∴ w = A/l∴ w = (3x2 + 9xy + 6y2) / (3x + 6y)∴ w = x + 1
3x3 - x2y + 12x - 4y = x2*(3x - y) + 4*(3x - y) = (x2 + 4)*(3x - y)
3x + 2 = 3x + 6 This is not possible.
4x2+3x+6+5x+3x+6 = 4x2+11x+12 when simplified
I think you mean (3x ± 1)^2 = (3x+1)(3x-1)?