Identify Common Factors: Look for common factors in the first two terms and the last two terms separately.For the first two terms, 18y3 and 9y2, the common factor is 9y2.For the last two terms, 14y and 7, the common factor is 7.
Factor Out Common Factors: Factor out the common factors from the terms identified in Step 1.Factor out 9y2 from 18y3 and 9y2.18y3+9y2=9y2(2y+1)Factor out 7 from 14y and 7.14y+7=7(2y+1)
Use Common Binomial Factor: Observe that both groups now have a common binomial factor of (2y+1). Write the expression as a product of the common binomial factor and the remaining factors. 9y2(2y+1)+7(2y+1)=(9y2+7)(2y+1)