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3x - y = -1 -y = -3x -1 y = 3x + 1 The graph is a straight line, with a slope of '3', passing through the point (y = 1) on the y-axis.
(x-3)(3x+1)
(3x + 1)(x - 5)
(x + 2)(3x - 1)(3x + 1)
What is the question? Do you want to factor 3x2 -x -2? If that is the question the answer is (3x + 2)(x-1)
Substitute the point into the equation, eg. if you have point (1,2) and equation y=3x+7 you get 2=3*1+7 =10 2 doesnt equal 10, so (1,2) isn't on the graph y=3x+7