Question

Simplify (7 + 1)^2-(11+3^2)÷4.

Answer 1

2
)
8
​2
​​ −(11+3
​2
​​ )


9
)
8
​2
​​ −(11+9)


3 Simplify
1
1
+
9
11+9 to
2
0
20.
8
2
−
2
0
8
​2


Simplify
8
2
8
​2
​​ to
6
4
64.
6
4
−
2
0
64−20


Simplify.

And the answer is 44