solve the quadratic inequality. remember to check any possible solutions for viability (answer is in the comments)

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Ineed with this problem 21 show steps

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"