Mathematics, 09.12.2020 20:20, simon88
Plz help fast WILL MARK BRAINLIST AND 80 POINTS
2. Use addition and subtraction to simplify the following polynomials. (7 points)
a. Add polynomials: (3 – 4x + 8x2) + (–6 + 2x – 5x2)
Step 1: Rewrite the polynomials without the parentheses. (1 point)
Step 2: Write the polynomial in descending order and use parentheses around like terms. (1 point)
Step 3: Add the like terms identified in Step 2 to simplify the polynomial. (1 point)
b. Subtract polynomials: (3x – 5 – 7x2) – (–2 + 6x2 – 5x)
Step 1: Rewrite the polynomials without the parentheses. Remember to multiply each term in the second parentheses by –1. Show your work. (2 points)
Step 2: Write the polynomial in descending order and use parentheses around like terms. (1 point)
Step 3: Add the like terms identified in Step 2 to simplify the polynomial. (1 point)
Answers: 3
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Plz help fast WILL MARK BRAINLIST AND 80 POINTS
2. Use addition and subtraction to simplify the fol...
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