math

Simplify the following product of complex numbers. (8 + i) • (-4 – 3i)

  1. 👍 0
  2. 👎 0
  3. 👁 120
  1. use good-old-fashioned FOIL

    = -32 _ 24i - 4i - 3i^2
    = -32 - 28i + 3
    = -29 - 28i

    1. 👍 0
    2. 👎 0
  2. (x^2 + 3) ^2

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Precalc

    To which set(s) of numbers does the number sqrt -16 belong? Select all that apply. real numbers complex numbers*** rational numbers imaginary numbers*** irrational numbers I can only pick two, and that's what I think it is. Please

  2. Math help Ms. Sue please

    1. Name the subset(s) of real numbers to which the number zero belongs. You can choose more than one answer. Irrational numbers Integers Whole numbers Natural numbers 2. Write an algebraic expression for the word phrase: the

  3. math

    1. What is the first step to evaluate this expression? 73 – 4 • 3 + 8 (1 point) exponent subtraction multiplication* addition 2. Simplify 2 + (5 × 4 + 3). (1 point) 31* 25 37 43 3. Which shows the product of a number n and

  4. Math

    The product (5+i)(5−i) is a real number, 26. What are the factors (5+i) and (5−i) called? imaginary units** complex numbers complex conjugates imaginary numbers My answer is A but im not sure if thats right

  1. Algebra 2

    What is the maximum product of two numbers whose sum is 22? What numbers yield this product?

  2. maths

    the sum of N positive integers is 19. what is the maximum possible product of these N numbers? thx. Nice problem. Let's look at some cases 1. N=2 clearly our only logical choices are 9,10 for a product of 90 It should be obvious

  3. math

    Please check my answers! Simplify the product. 7x(x+4) A. 7x^2+4 B. 7x^2+28x

  4. math

    the sum of two numbers exceeds their product by one. their differences is equal to their product less five . find the two numbers

  1. math

    1. What is the first step to evaluate this expression? 73 – 4 • 3 + 8 (1 point) exponent subtraction multiplication addition 2. Simplify 2 + (5 × 4 + 3). (1 point) 31 25 37 43 3. Which shows the product of a number n and 12?

  2. Algebra 2

    What is the product of a complex conjugated? The product of complex conjugates is a difference of two squares it is always a real number. The product a complex conjugates may be written in standard form as a + bi where neither a

  3. English

    Identify the structure used in each of the sentences below. 1. The hamburger came from Hamburg, Germany, and the hot dog came from Frankfurt. simple compound complex compound-complex 2. The idea of placing meat on a bun, however,

  4. math

    Algebra 1.) Use the distributive Property to simplify the expression . (-1)(4 - c) A. 4 - c B. -4 + c C. 4 + c D.-4 - c 2.)Use the distributive Property to simplify the expression 4(2x - 4) A.8x + 4 B.8x - 4 C.8x - 16 D.4x - 16

You can view more similar questions or ask a new question.