172,090=171,090+?
i am confused with my son homework

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Problem situation: caren is making rice and beans. she can spend no more than $10 on ingredients. she buys one bag of rice for $4.99. beans cost $0.74 per pound. how many pounds of beans, x, can she buy? inequality that represents this situation: 10≥4.99+0.74x drag each number to show if it is a solution to both the inequality and the problem situation, to the inequality only, or if it is not a solution.

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.