Question Simplify the expression 21x−31y−5x2 Evaluate 21x−31y−(15×3x2)Solution 21x−31y−5x2 Show Solution Factor the expression 61(3x−2y−30x2) Evaluate 21x−31y−(15×3x2)Cancel out the common factor 3 21x−31y−5x2Solution 61(3x−2y−30x2) Show Solution