Yes FOIL method can be used with quadratic expressions and equations
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The FOIL method is used to determine the order of operations in multiplying two binomials, so I would say that a is the answer. FOIL stands for First, Outer, Inner, Last. So (a+3)(a-2) would be worked as follows: a(a)=a squared; a(-2)=-2a;3(a)=3a; and 3(-2)=-6. Combine the like terms and you get a squared+a-6.
When multiplying out the brackets in a quadratic equation or expression: f = first o = outer i = inner l = last
The foil method in algebra is used to "multiply linear binomials."The FOIL method is used in elementary algebra as a guide for solving algebraic problems.
(a+b)(b-a)
The FOIL Method is a process used in algebra to multiply two binomials.f= first termso= outer termsi= inner termsl= last terms