Factor polynomials: common factor Problem Factor the polynomial as the product of two binomials. n(n−1)+3(n−1)=n(n-1) + 3(n-1)=n(n−1)+3(n−1)=n, left parenthesis, n, minus, 1, right parenthesis, plus, 3, left parenthesis, n, minus, 1, right parenthesis, equals