(-288x^2)-9
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4x-6 = -2x-3 4x+2x = 6-3 6x = 3 x = 3/6 = 1/2
2x2 + 7x + 6 = 2x2 + 4x + 3x + 6 = 2x(x + 2) + 3(x + 2) = (x + 2)(2x + 3)
2x-3=4x+9 -2x-12=0 2x=-12 x=-6
6-4x = 7x-9x-2 6-4x = -2x-2 Add 4x to both sides: 6 = 2x-2 Add 2 to both sides: 8 = 2x Divide both sides by 2: 4 = x
It is 2(2x+3) when factorised