Identify coefficients: Identify the coefficients a, b, and c in the quadratic expression 5x2+11x+6. The quadratic expression is in the form ax2+bx+c, where: a=5b=11c=6
Find two numbers: Find two numbers that multiply to a∗c (5∗6=30) and add up to b (11).We need to find two numbers that multiply to 30 and add up to 11.The numbers 5 and 6 satisfy these conditions because:5∗6=305+6=11
Write middle term: Write the middle term 11x as a sum of two terms using the numbers 5 and 6. We can express 11x as 5x+6x, so the expression becomes: 5x2+5x+6x+6
Factor by grouping: Factor by grouping.Group the terms into two pairs and factor out the common factors:(5x2+5x)+(6x+6)Factor out 5x from the first group and 6 from the second group:5x(x+1)+6(x+1)
Factor out common binomial: Factor out the common binomial factor (x+1). Since both groups contain the factor (x+1), we can factor it out: (5x+6)(x+1)