Like and unlike terms
Algebraic expressions · Mathematics
Study notes
Q: Simplify 4x^2 + 3x - 2x^2 + 7 - 5x. Step 1: Group like terms: x^2 terms: 4x^2 - 2x^2; x terms: 3x - 5x; constants: 7. Step 2: 4x^2 - 2x^2 = 2x^2. Step 3: 3x - 5x = -2x. Step 4: Answer: 2x^2 - 2x + 7.