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E. Polynomials
1) 7x + 2x + 19x = __________
2) -6x – 3 + 3x – 9 = __________
3) (3x–4y) – (x+2y) = __________
5) (x+5)(x-7) = __________


Sagot :

Answer:

1. 28[tex]x^{3}[/tex]

2. -3x -12

3. 3[tex]x^{2}[/tex]-6y

4. [tex]x^{2}[/tex]-2x-35

Explanation:

Polynomials

  • Polynomials can be classified by the degree of the polynomial. The degree of a polynomial is the degree of its highest degree term. So the degree of 2x3+3x2+8x+5 2 x 3 + 3 x 2 + 8 x + 5 is 3. A polynomial is said to be written in standard form when the terms are arranged from the highest degree to the lowest degree.

Adding Polynomials

  • To add polynomials we simply add any like terms together. Step 1: Arrange each polynomial with the term with the highest degree first then in decreasing order of degree. Step 2: Group the like terms. Like terms are terms whose variables and exponents are the same.

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