College Algebra?

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Need soem help on this question. I have looked everywhere. anyway... Write each expression in the form "a+bi" where a and b are real numbers.

-3(4i-1)

Please help

2006-10-02 09:19:02 · 3 answers · asked by Linda K 1 in Education & Reference ➔ Homework Help

i am sorry it is -3i(4i-1)

2006-10-02 09:28:12 · update #1

3 answers

It's a distributive property problem
-12i + 3 = 3 - 12i

2006-10-02 09:21:52 · answer #1 · answered by PatsyBee 4 · 0⤊ 0⤋

Multiply everything in the parentheses by -3 to get
-12i + 3 = 3 -12i

2006-10-02 16:23:01 · answer #2 · answered by steiner1745 7 · 0⤊ 0⤋

pi - 1 = 2.141593

2006-10-02 16:40:58 · answer #3 · answered by walking 3 · 0⤊ 0⤋