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18-09-2020
Mathematics

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(3x-14)^2-2x-1 evaluate the expression substitute 4 for x

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18-09-2020

Step-by-step explanation:

(3x-14)^2-2x-1

= (3.4 - 14)^ 2-2.4 -1

= (12- 14)^ 2-8-1

= (-2)^-7

= - 1/2⁷

= - 1/128

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