Question

Simplify when x=4 x^2-4

Answer 1

Answer:

12

Step-by-step explanation:

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

Answer 2

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