3 years ago

Simplify when x=4 x^2-4

Mathematics

2 answers:

Nuetrik [128]3 years ago

6 0

Answer:

Step-by-step explanation:

X=4
$\sf \rightarrowtail \: {x}^{2} - 4 \\ \sf \rightarrowtail \: {(4)}^{2} - 4 \\ \sf \rightarrowtail \: 16 - 4 \\ \sf \rightarrowtail \: 12$

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

3 0

12; 4^2=16, then you subtract by 4

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