AaliyanaP10351 AaliyanaP10351

29-10-2022
Mathematics

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Solve the expressions on the left when x=53x-10x^2-155x-21x+10-8

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RondoC762217 RondoC762217

29-10-2022

[tex]\begin{gathered} \text{if x=5} \\ 3x-10=3(5)-10 \\ =15-10 \\ =5 \\ \\ \\ x^2-15=(5)^2-15 \\ =25-15 \\ =10 \\ \\ 5x-21=5(5)-21 \\ =25-21 \\ =4 \\ \\ \\ \\ x+10-8=5+10-8 \\ =15-8 \\ =7 \end{gathered}[/tex]

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