Solve the equation. 2x - 4 = -10

Find the LCM of 29 and 116.

Simplify. 88 · 8-8

2 answers

This is hardly calculus.
Solve the equation. 2x - 4 = -10
2x-4=-10
+4 = +4 add
2x = -6
x = -3

Find the LCM of 29 and 116.
29 is a prime so it is 29 times something
116/29 = 4
so
116 is the least common multiple of 29 and 116

Simplify. 88 · 8-8
I do not understand this notation.