(2x + 7)(x - 2)
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2x2 + 10 = 9x 2x2 - 9x + 10 = 0 (x - 2)(2x - 5) = 0
4x3+10x2+2x+5= (2x+5)(2x2+1)
Divide all terms by 2 and when factored it is: (x+1)(x+1)
2x2 + 4 + 1 = 2x2 + 5 So, the vertex is (0, 5)
Factors are (2x + 1)(x + 4), making x either -0.5 or -0.25