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The product of 2 more than 3 times a number and 6 less than 4 times the number (z)

1 Answer

7 votes

Answer:


12z^(2) -10z -12

Explanation:

Let the number be z

2 more than 3 times z ==> 3z + 2

6 less than 4 times z ==> 4z - 6

Product of the above two is

(3z + 2) (4z - 6) \\= (3z)(4z) + (3z)(-6) + (4z)(2) + (2)(-6)\\= 12z^(2) -18z + 8z - 12\\= 12z^(2) -10z -12

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