Wednesday

April 16, 2014

April 16, 2014

Posted by **Christina** on Wednesday, January 5, 2011 at 9:38pm.

So would I do this:

(7-3i) (7-3i)

then distribute it .... OR

(7-3i)^2

square everything 49+9i^2

? thanks

- Math- Algebra II -
**Kay**, Wednesday, January 5, 2011 at 9:46pmFirst option is correct.

It is of the form

(a-b)^2 = a^2 - 2ab + b^2

- Math- Algebra II -
**Christina**, Wednesday, January 5, 2011 at 9:50pmthank you, okay I wasn't' sure

**Related Questions**

Algebra II (check) - Assume that no denominator equals 0. 2+i/1-3i = 2+i/1-3i...

algebra - Can someone assist help me with the following? Simplify the expression...

College Algebra - how do I find a 4th degree polynomial that has zeros; i,3i ...

Calc - If z = 2cis 60°, find z^4 in rectangular form. A.-8+8sqrt(3i) B.-8-8sqrt(...

Pre-calculus-check answers - Write the polynomial equation of least degree that ...

math help people lik really desperate!! - ok i have to divide complex numbers: ...

check my work please! - ok i have to divide complex numbers: question is: 1-2i+i...

maths - If (e^x)(sin3x)=Im ((e^x)(e^i3x)) integrate (e^x)(sin3x) I get the ...

Algebra - Suppose that a polynomial function of degree 5 with rational ...

Pre-calculus - Find the first three iterates of the function f(z)=z^2+i for Zo=2...