Sunday

December 21, 2014

December 21, 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

**Answer this Question**

**Related Questions**

Math - Simplify. b(b-3)^2 Would I square the b-3 before I multiply it by the b ...

last algebra question - P((1 + r)^2)^3 To simplify this expression would I ...

Math To: Reiny - This is one whole question: (12) (10xy^3) (3x^2y^2) (5x) (2y) ...

Math - Simplify. (5x2 + 3x - 7) - (x2 - 7x + 4) Simplify. (5x^2 + 3x - 7) - (x^2...

math - I'm not sure how to multiply (x^2+6x=9) by (x^2-1) I would assume that ...

Math - Just need some help... Directions: Multiply or raise to the power as ...

Pre- Algebra - 1. What is (-7)^5 in expanded form? 2. Simplify the expression...

Geometry/Algebra - What is the slope-intercept form of the equation y – 7 = –5/2...

Math - Here are the questions I need help with, please help. [(1/4)^-3 divide ...

Math Ms. Sue - Here are the questions I need help with, please help. [(1/4)^-3 ...