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Q: Factor this polynomial completely 3x2 plus 2x - 8?

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3 * x * x * y

(3x+1)(x+2)

3x2-9x-30 =3x2+6x-15x-30 =3x(x+2)-15(x+2) =(3x-15)(x+2) OR 3(x - 5)(x+2)

(3x + 1)(x + 6)

3x2 + 6x is ONE expression. A common factor is a factor that is COMMON to two (or more) expressions - not just one. An alternative answer: 3x can be factored out of both of those.

Related questions

x3 - 3x2 + x - 3 = (x2 +1)( x - 3)

The degree of this polynomial is 2.

21x3-35x2+14x = 7x(3x2-5x+2)

If that's 3x2 + 7x + 2, the answer is (x + 2)(3x + 1)

3x2 + 27x +60

It is: (3x+27)(x+3)

It is a second degree polynomial.

3x2 - 5x - 2 can be factored into (3x + 1) (x - 2)

(x + 2)(3x + 1)

-7

-8x + 3x2 - 3

3x2 + 9x 3x(x + 3) -------------

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