AnswersINMT3 Integrated Math 3 Sem 1 26-27Addition and Subtraction of Polynomials

Addition and Subtraction of Polynomials Answers

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1
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Find each sum.(3n2 – 5n + 6) + (–8n2 – 3n – 2) =

A
–11n2 – 8n – 4
B
–11n2 – 2n + 4
C
–5n2 – 8n + 4
D
–5n2 – 2n – 4
2
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(–4c2 + 7cd + 8d) + (–3d + 8c2 + 4cd) = ⇒ 4 c2 + ⇒ 11 cd + ⇒ 5 d

Answers:
⇒ 4:5
3

(0.4k3 – 2.5k) – (2.4k3 + 3k2 – 1.2k) =

A
–2.8k3 – 3k2 – 3.7k
B
–2.8k3 + 3k2 – 1.3k
C
–2k3 – 3k2 – 1.3k
D
–2k3 + 3k2 – 3.7k
4

) inches

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