Addition and Subtraction of Polynomials Answers

(3a2 – 5ab + b2) + (–3a2 + 2b2 + 8ab)Which of the following shows the sum of the polynomials rewritten with like terms grouped together?

Use your result from the previous task to find the sum.

= –18t

= –18t

What is the sum of the polynomials?

= 0t3

+ ⇒ 9

+ ⇒ 5 x

The diagram shows the plans for the triangular park. What is the perimeter of the park?The perimeter is x2 + x – () feet.

Use the expression below to complete the following tasks.(3a2 - 5ab + b2) - (-3a2 + 2b2 + 8ab)What is the additive inverse of the polynomial being subtracted?

Complete the tasks to subtract the polynomials vertically.(1.3t3 + 0.4t2 – 24t) – (0.6t2 + 8 – 18t)What is the additive inverse of the polynomial being subtracted?

The diagram shows the plans for the triangular park. How much longer is BC than AC?

= 8

+

After you rewrite subtraction as addition of the additive inverse, how can the like terms be grouped?

Choose the correct values for A, B, C, and D that align like terms to find the sum vertically. 1.3t3 + 0.4t2 + (–24t)

Which equivalent expression would you set up to verify the associative property of addition for(3x + 4) + ((5x2 – 1) + (2x + 6))?

Complete the statement. (3a2 – 5ab + b2) – (–3a2 + 2b2 + 8ab) = ✔ 6a² - 13ab - b²X 6a² - 3ab - 3b²-13ab - b²-3ab - 3b²

What is the difference of the polynomials?0.7t³ - 0.2t² - 6t - 80.7t³ - t² - 6t - 81.3t³ - t² + 6t - 8✔ 1.3t³ - 0.2t² - 6t - 8