truth213
truth213 truth213
  • 12-12-2020
  • Mathematics
contestada

Simplify:
5x2 – x + 9 = [?]
x=3
Enter

Simplify 5x2 x 9 x3 Enter class=

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jacobEwing
jacobEwing jacobEwing
  • 12-12-2020

Answer:

The answer is 51

Step-by-step explanation:

What you need to do here is assign a value of 3 to x, and output the value.  Let's see what we get:

[tex]5x^2 - x + 9\\5(3)^2 - (3) + 9\\5 * 9 + 6\\45 + 6\\51[/tex]

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