Step-by-step solution for factoring the quadratic 7a² + 53a + 28, demonstrating the process of finding factors and simplifying to (7a + 4)(a + 7).
A screenshot of a KutaSoftware Algebra 1 worksheet showing the factoring of the quadratic expression 7a² + 53a + 28, with step-by-step handwritten solutions and a final factored form (7a + 4)(a + 7).