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baherus [9]
3 years ago
9

Evaluate x2 + 3x – 7+ 8 when x = 4.

Mathematics
2 answers:
antiseptic1488 [7]3 years ago
4 0

Answer:

29

Step-by-step explanation:

Substitute 4 for x into the expression x^2+3x−7+8 and then simplify using the order of operations.

4^2+3(4)−7+8

16+12−7+8

29

Karo-lina-s [1.5K]3 years ago
3 0

Answer:

29

Step-by-step explanation:

Since they have given you x = 4, simply sub it into the equation,

(4)^2 + 3(4) - 7 + 8

=  29

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