Answer:
Step-by-step explanation:
<u>Given information</u>
<em>Refer to the graph in the question</em>
<u>Concept</u>
The first row represents the multiplicand
The first column represents the multiplier
The blocks inside represent the product
<u>Find the expression for the multiplicand</u>
There is one (+ x) block
There are three ( - 1) blocks
1 (+x) + 3 (-1) = x - 3
<u>Find the expression for the multiplier</u>
There is one (+ x) block
There is one (- 1) block
1 (+x) + 1 (-1) = x - 1
<u>Find the expression for the product</u>
There is one (+ x²) block
There are four (- x) blocks
There are three (+ 1) blocks
1 (+x²) + 4 (-x) + 3 (+1) = x² - 4x + 3
<u>Combine all the expressions together</u>
Product = multiplicand × multiplier

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