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What is the product? (5r − 4)(r2 − 6r + 4)

A5r3 − 34r2 + 44r − 16
B5r3 − 4r2 + 14r − 16
C5r3 − 6r − 16
D5r3 + 10r − 16

Verified Answer :

Answer:

a

Step-by-step explanation:

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The product is: 5r³ -34r²  + 44r -16

What is expression?

An expression is a combination of numbers, variables, functions (such as addition, subtraction, multiplication or division etc.)

Given:

(5r − 4)(r² − 6r + 4)

= 5rr² - 5r 6r + 5r * 4 - 4r²+ 24r -16

= 5r³ - 30r² + 20r -4r² + 24r - 16

=  5r³ -34r²  + 44r -16

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