Question

Factor by grouping,
3w? +4w? +15w+20

Answer 1

3w3-4w2+15w-20

Final result :

(w2 + 5) • (3w - 4)

Step by step solution :

Step 1 :

Equation at the end of step 1 :

(((3 • (w3)) - 22w2) + 15w) - 20

Step 2 :

Equation at the end of step 2 :

((3w3 - 22w2) + 15w) - 20

Step 3 :

Checking for a perfect cube :

3.1 3w3-4w2+15w-20 is not a perfect cube

Trying to factor by pulling out :

3.2 Factoring: 3w3-4w2+15w-20

Explanation: