Solving Equations or Simplifying Expressions

Questions (2)

(3x2 – 7x – 4) – (6x2 – 6x + 1)A. –3x2 – x –5 B. –3x2 –13x + 5 C. 9x2 – x + 5 D. 3x2 – 13x – 5
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add 5(0.5k - 1) + 2 (0.4 - k). answer should be in decimal form
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