Chapter8: Roots And Radicals
Section8.8: Use The Complex Number System
Problem 8.169TI: Multiply using the Product of Complex Conjugates Pattern: (310i)(3+10i).
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Transcribed Image Text:2 terms 2 terms
X=X²=X²
FIND THE PRODUCT USING TABULAR (X + 8)(X + 7)
1.) Check for missing terms.
2.) Create a box. The number of rows should
match the number of terms in the first expression
and the number of
Columns should match the number of terms in the
second expression. 2 rows + 2 column
3.) Multiply the terms in front of the rows by the
terms at the top of the columns to fill in the boxes.
4.) Your like terms will line up on the diagonal.
5.) Write your product with the terms in the boxes
in standard form.
8x and 7x are. Ke terms.
So we can add them
X
7
x 8
8.x
8x
7.8
7x 56
X.X
X²
X-7
(x+8)(x+7)= x² + 15x +5b
Transcribed Image Text:Find the product for (c²-7)(2c² + 3c - 5) using the
tabular method. Show your work in the sketch box.
Write your answer in the math box.
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