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Afina-wow [57]
3 years ago
8

Simplify the expression. (3x2 – 4x + 1) + (-x2 + x – 9)

Mathematics
2 answers:
LuckyWell [14K]3 years ago
4 0

(3x^2 - 4x + 1) + (-x^2 + x - 9)=\\3x^2-4x+1-x^2+x-9=\\2x^2-3x-8

Margaret [11]3 years ago
3 0
= (6x+4x+1)+(-2x+x-9)
= (2x+1)+(-x-9)
= 2x+1-x-9
= x-8
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Question 1: Option D

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Question 2: Option B

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Height of the parallelogram = 12 cm

Area of the parallelogram = Base × Height

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Question 2:

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Height of the parallelogram = 1.5 ft

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