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liq [111]
2 years ago
11

Simplify the following expressions and then find the numerical values for x = -2.

Mathematics
1 answer:
galina1969 [7]2 years ago
5 0

Step-by-step explanation:

for the given value x = -2

= 3(2x-4) + x^2 +5

= 3(-4 -4) +4+5

= -24+9

= -15

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