Q: When completely factored---- 4 - 16x plus 28y equals?

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D.4(2x - 3)(2x + 1)

X2 - 16X + 15 = 0 (X - 1)(X - 15) = 0 So X -1 = 0 or X - 15 = 0 ie X = 1 or X = 15

4x times 4x equals 16x2.

In the absence of signs I have assumed the term in 16x and 60 are negative: ie x2 - 16x = -60 or x2 - 16x + 60 = 0 Factors of 60 which total -16 are -6 and -10, so (x - 6)(x - 10)

16x = 4 Divide both sides by '16' Hence 16x/16 = 4/16 x = 4 / 16 x = 1/4

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x2-16x+48 = (x-4)(x-12) when factored

15x2+16x-15 = (3x+5)(5x-3) when factored

16X + 12X all I can see here is factoring out a 4X factor 4X(4 + 3) ---------------

8x2 + 16x + 8 = 0

The Commutative Property of Addition.

16x + 2 - 8 = 16x + 24 implies 16x - 6 = 16x + 24 subtracting 16x from both sides, this implies: -6 = 24 So the equation has no soultions.

7.5625

5x2-16x+12 = (5x-6)(x-2) when factored with the help of the quadratic equation formula

16x-8x+12 = 78+22 16x-8x = 78+22-12 8x = 88 x = 11

5x2-16x+12 = (5x-6)(x-2) when factored

Combining like terms, 16x + 20 = 180 or 16x = 160 so that x = 10

Assuming you wish to make this equation equal zero, for x2 + 16x + 55 = 0, x = -5.