Answer:
-24x + 30y
Explanation:
Step 1:
−4(x − 15y) + 5(−4x − 6y)
Step 2:
−4x + 60y + (−20x − 30y)
Step 3:
Combine like terms within each set of parentheses:
−4x + 60y − 20x − 30y
Step 4:
Combine like terms:
(-4x - 20x) + (60y - 30y)
Step 5:
Simplify:
-24x + 30y
Final result:
-24x + 30y