0
Anonymous
5x2-2x+16=4x2+6x ,or
x2-8x+16=0, or
x2-2(x)(4)+(4)2=0, or
(x-4)2=0, or
(x-4)(x-4)=0, or
x=4
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2.
4x2 plus 3=11
4x2+49x+90 = (4x+9)(x+10) when factored
-((4x + 1)(x - 1))
(2x + 3)(2x + 3)