Question

Combine the like terms to make a simpler expression:
\large{2s+(-4s)}2s+(−4s)

Answer 1

if your equation is this:
\[\large{2s+(-4s)}2s+(−4s)\]
fist simplify each complex part:
(-4s)*2s = -8s and later use Signed numbers law
+ * - = -
- * + = -
+ * + = +
- * - = +