Q: What expression is a factor of 3x2 16x 5?

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(3x - 5)(x + 3)

8

4x2(4x3 + 3)

NOTE: xx can be written as x^2 i.e. x squared 3x^2 + 16x + 5 = 3 x^2 + x + 15x + 5 (Since 16x = x + 15x) = x ( 3x + 1 ) + 5 ( 3x + 1 ) = ( x + 5 ) ( 3x + 1 ) Therefore the factors are ( x + 5 ) and ( 3x + 1 )

24x6 + 12x4 + 15x2 factor the greatest common factor, 3x2 = 3x2(8x4 + 4x2 + 5)

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

5(16x^2 + y^2)

3x2+13x-10 = (3x-2)(x+5) when factored

(3x + 1)(x + 5)

(x + 5)(3x + 1)

30 ^ 6x5 ^ ^ 3x2 5 So the answer is 3,2, and 5

(x + 1)(3x + 5)

10x - 17

It is 5*f where f is an expression.

(2x - 5)(2x - 3)

(5x - 3)(3x + 5)

(3x - 5)(x + 2)

x(x + 2)(x - 5)

(3x - 5)(x + 4)

5(x3 - 3x2 - 238)

One such expression is 5n

3x2-7x-20 = (3x+5)(x-4) when factored

There is no factor of the expression in the question.

6

3x2 - 16x + 5 = 3x2 - x - 15x + 5 = x(3x - 1) - 5(3x -1) = (3x - 1)(x - 5) or I would use the quadratic equation. 3X^2 - 16X + 5 = 0 X = -b +/- sqrt(b^2-4ac)/2a a = 3 b = -16 c = 5 X = -(-16) +/- sqrt[(-16)^2 - 4(3)(5)]/2(3) X = 16 +/- sqrt(256 - 60)/6 X = 16 +/-sqrt(196)/6 X = (16 +/- 14)/6 X = 5 X = 1/3 check the easy one 3(5)^2 - 16(5) + 5 = 0 75 - 80 + 5 = 0 0 = 0 easy one checks; you try the 1/3 check

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