Algebra II

Is this right?
(4-i)(-3+4i)
-12+16i+3i-4i^2
-12+19i+4
-8+19i (answer)

  1. 👍 0
  2. 👎 0
  3. 👁 63
asked by Amy~
  1. yes this is exactly how you do it

    1. 👍 0
    2. 👎 0
    posted by Vince

Respond to this Question

First Name

Your Response

Similar Questions

  1. Trigonometry

    Find real numbers a and b such that the equation (a- 2)+(b+5)i=14+19i is true.

    asked by Lilly on June 7, 2017
  2. physic

    Three forces act on an object with F1 = (6.03i + 11.17j) N and F2 = (2.19i − 13.53j) N. If the net force on the object is zero, what is the unknown force, F3? (Express your answer in vector form.) F3 = N

    asked by joy on February 5, 2018
  3. Math Max min problems

    The power P delivered to a load by a current of i amperes through a resistance of 19 ohms, when 110 volts are supplied at one end of the line, is given by the formula P = 110i - 19i2 . Determine the maximum power that can be

    asked by Ashley on January 29, 2013
  4. math

    2i/4-8i 2i/4-8i * (4+8i)/(4+8i) then i multiplied the top and bottom and got 8i/ 4^2 + 16i/8^2 8/80 + 16i/80 reduce to 4/5 + 2i is this correct

    asked by sarah on March 2, 2009
  5. maths

    (3x + 4) + (5y -1) = 10 - 16i A. x = 2, y = -3 B. x = 1, y = -2 C. x = 3, y = 2 D. x = -3, y = 1 think the answer is C

    asked by Anonymous on October 6, 2013
  6. Math - Imaginary

    (i)(4i)(-4i) it is 4i^2(-4i) = -16i^3 ? If it is not right, please help. thanks!

    asked by John on September 30, 2012
  7. Math

    For what value of x are 16i-12j+4k and xi-(x-1)j+k parallel?

    asked by George on May 7, 2018
  8. Math

    Find the roots of (z-1)^4=16i

    asked by Jo on May 26, 2019
  9. Complex numbers

    If f(x) is a polynomial with real coefficients such that f(4+3i)=31+16i, then f(4−3i)=a+bi. What is the value of a+b

    asked by Tony on May 24, 2013
  10. trig

    Write the complex number in trigonometric form, using degree measure for the argument. -12 - 16i

    asked by tony on June 28, 2013

More Similar Questions