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Q: What is the factor of the polynomial expression x3 plus 5x2 plus 3x plus 15?

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False

5x2 + 29x - 6 = (5x - 1)(x + 6).

5x2 + 16x + 12 = (5x + 6)(x + 2)

The GCF is 5x2

(5x + 2)(x + 1)

18 because, 5x2=10 10+8=18! Your welcome. It's not a problem at all. I love math!

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

(5x - 1)(x + 6)

True.

5x2 + 9x + 13 has no real factors.

Yes. If you add, subtract or multiply (but not if you divide) any two polynomials, you will get a polynomial.

x3 + 5x2 - x - 5 = (x2 - 1)(x + 5) = (x + 1)(x - 1)(x + 5)

5x2 + 3x - 1 does not have rational factors.

I am assuming this is: .2x4 - 5x2 - 7x, which would be a Quartic Polynomial.

5x2 - 16x + 12 = 5x2 - 10x - 6x +12 = 5x(x - 2) - 6(x - 2) = (x - 2)(5x - 6) Whether or not these are in descending order depends on the value of x.

The expression has no rational factors.

5x2-46x+9 = (5x-1)(x-9)

x(5x + 7)

5x(x+3)

5x2-18x+9 = (5x-3)(x-3)

A polynomial expression is one with a degree higher than 0. Hence, all constants will meet your criterion. Note that (x+2) or [sin(2x)+4] is a polynomial of degree 1. The following is a trivial (normally ignored; inconsequential) non-polynomial: (5x2 - 2x2 - 3x2 + 2) ======================================

(x + 2)(5x + 13)

(5x - 3)(x + 8)

= 5x2+70-16+9x-2 = 5x2+9x+52 = 5x2+9x1+52 This implies coefficient of degree 1 is 9. Ans.

5(x + 4)(x + 6)