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Math Calculators

FOIL Calculator

Multiply two binomials of the form (ax + b)(cx + d) using the FOIL method.

x² coefficient
x coefficient
Constant
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About the FOIL Calculator

FOIL stands for First, Outer, Inner, Last — the four multiplications needed to expand the product of two binomials.

Formula: (ax + b)(cx + d) = acx² + (ad + bc)x + bd

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