salinasleo244
salinasleo244 salinasleo244
  • 21-07-2021
  • Mathematics
contestada

Find the remainder when the polynomial 9x2 - 4x - 7 is divided by x - 3.

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kamilmatematik100504
kamilmatematik100504 kamilmatematik100504
  • 21-07-2021

Answer: 62

Step-by-step explanation:

[tex]\displaystyle\bf 9x^2-4x-7 =0 \\\\ Synthetic \ \ division\ \ if \ \ x-3 =0 => x=3 \\\\ then \ \ 3| \underline{ \ 9 \ | \ -4 \ | \ -7 \ | } \\\\ . \!\! \qquad\qquad +|3*9| \ \ 23*3 | \\ .\!\!\!\!\!\1 \qquad \qquad \qquad | \ 23 \ | \ \ \ \boxed{62}[/tex]

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