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k0ka [10]
4 years ago
10

Can anyone help me solve this problem: 3i(-5i)

Mathematics
1 answer:
katovenus [111]4 years ago
4 0
The answer is -15i^2

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Evaluate f(x) = x2 – 12 when x = 5
Ede4ka [16]

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f(5) = 13

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Function notation and substitution

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = x² - 12

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<u>Step 2: Evaluate</u>

  1. Substitute:                   f(5) = 5² - 12
  2. Exponents:                  f(5) = 25 - 12
  3. Subtract:                      f(5) = 13
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3 years ago
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