x2 + 6x - 27 = (x + 9)(x - 3)
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What value, in place of the question mark, makes the polynomial below a perfect square trinomial?x2 + 12x+ ?
(x + 2)(x - 8)
4x 5x 9x 3x these are four examples. you have only one term in each. to add more terms you need to put an x2 in there x2 + 4x x2 + 5x x2 + 9x x2 + 3x it does not haveto be all x2 you can add coefficients to the x squared if you want to and it still would b e a polynomial with two terms. a polynomial with three terms would be x3 added to x2 added to x just like wat was shown
x2 + 22x + 121 to get this divide 22 by 2... then square the answer you get from that 22/2 = 11 112 = 121
It is difficult to tell because there is no sign (+ or -) before the 5. +5 gives complex roots and assuming that someone who asked this question has not yet come across complex numbers, I assume the polynomial is x2 -3x - 5 The roots of this equation are: -1.1926 and 4.1926 (to 4 dp)