0
Anonymous
6x2-2x+36 = 5x2+10x
6x2-5x2-2x-10x+36 = 0
x2-12x+36 = 0
(x-6)(x-6) = 0
x = 6 or x = 6 It has two equal roots.
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-1
It is 4x^2 + 10x - 1
5(x + 4)(x - 2)
1) 5x2-55=90 +55 +55 2) 10x=145 /10 /10 x=14.5
5x2 - 14x + 8 = 5x2 - 10x - 4x + 8 = 5x(x-2) - 4(x-2) = (5x-4)*(x-2)