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umka2103 [35]
2 years ago
13

Check if x=-1 is a solution to x3 + 3x^2 = x+3. Which statement do you get?

Mathematics
1 answer:
vredina [299]2 years ago
4 0

Answer:

D. 2 = 2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

x³ + 3x² = x + 3

x = -1

<u>Step 2: Check</u>

  1. Substitute in <em>x</em>:                                                                                                  (-1)³ + 3(-1)² = -1 + 3
  2. Evaluate exponents:                                                                                         -1 + 3(1) = -1 + 3
  3. Multiply:                                                                                                             -1 + 3 = -1 + 3
  4. Add:                                                                                                                   2 = 2
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