SOLUTION: Did I do this right? Multiply. (x + 7)(x + 3). Multiply each group using FOIL (x*x+x*3+7*x+7*3) Simplify by combing like terms. (x^2+10x+21) Answer x^2+10x+21

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Did I do this right? Multiply. (x + 7)(x + 3). Multiply each group using FOIL (x*x+x*3+7*x+7*3) Simplify by combing like terms. (x^2+10x+21) Answer x^2+10x+21       Log On