Q: What are the factors of the polynomial x2 plus 4x - 21?

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3x² - 4x + 9 is a polynomial of degree 2.

Yes. -4x is one, and 3y is one. They are combined with a "+" sign, and together they are a polynomial.

4x(4x^2 + 3x + 1)

See definition of polynomial and monomials. You will see.

x2 + 4x - 21 = (x + 7)(x - 3). The trick is to find 2 numbers which sum to 4 and have a product of -21.

Related questions

3x² - 4x + 9 is a polynomial of degree 2.

Yes. -4x is one, and 3y is one. They are combined with a "+" sign, and together they are a polynomial.

The degree of this polynomial is 2.

4x(4x^2 + 3x + 1)

See definition of polynomial and monomials. You will see.

yes, and it is 14x

1

x2 + 4x - 21 = (x + 7)(x - 3). The trick is to find 2 numbers which sum to 4 and have a product of -21.

The discriminant is 88.

I'm going to assume the polynomial in question is 2x7+(3-2x3)+(5x8-4x) Expanding out the polynomial: 2x7+3-2x3+5x8-4x Order the terms by powers of x: 5x8+2x7-2x3-4x+3 Since 8 is the highest power of x, the degree of the polynomial is 8.

It's a polynomial of degree 1.

88 -Apex ;)