Mathematics, 08.12.2020 01:00 sloth53

Ricardo took the following steps to simplify the expression below but was surprised to hear that his answer was incorrect. Which of the following best describes Ricardo's mistake?
2x + 3x(x - 3)-4
52(x-3) - 4
5x2 – 15x-4
A. Ricardo distributed incorrectly.
B. Ricardo multiplied monomials incorrectly.
C. Ricardo added before multiplying.
D. Ricardo multiplied before adding.

Answers: 2

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