first solve the one in the bracket
4+6 = 10
now 2×10 = 20
the expression becomes
[tex] {4}^{2} + 20[/tex]
but
[tex] {4}^{2} = 4 \times 4 = 16[/tex]
[tex] = 16 + 20[/tex]
[tex] = 36[/tex]
