Answer:
Step-by-step expthe second term is −5. We include ... the like terms are 2x and 4x, 3y and −5y. What do we do ... b) What number is the coefficient of y ? −4. c) What ... m) 4x² − 5x² + x² = 0. Problem 5. ... d) (5xy − 3x + 2y − 1) − (2xy − 7x − 8y + 6) ... We can therefore state the following rule for subtraction. ... Subtract x² − 5x + 7 from 3x² − 8x − 2.lanation: