Math
FOIL Calculator
Multiply two binomials (ax+b)(cx+d).
Free to use — no sign-up or login.
x² coeff
x coeff
Constant
Amortization schedule
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This free FOIL Calculator covers Multiply two binomials (ax+b)(cx+d).
FOIL multiplies First, Outer, Inner, Last and collects like terms. Related math tools sit beside How it works, with no account required.
Using the FOIL Calculator
Multiply two binomials (ax+b)(cx+d). Typical inputs are a, b, c and d. How it works beside the form states the identity the FOIL Calculator applies.
FAQ
How do I use the FOIL Calculator?
Open the FOIL Calculator, fill a, b, c and d, and read the result. FOIL multiplies First, Outer, Inner, Last and collects like terms.
What formula does the FOIL Calculator use?
The FOIL Calculator uses the identity in How it works. In words: FOIL multiplies First, Outer, Inner, Last and collects like terms.