OpenStax, Prealgebra 2e §10.3 Multiply Polynomials · Exercise 71 · Algebra · Polynomials
Multiply Polynomials · Exercise 71
Mental math You can use binomial multiplication to multiply numbers without a calculator. Say you need to multiply times Think of as and as
ⓐ Multiply by the FOIL method.
ⓑ Multiply without using a calculator.
ⓒ Which way is easier for you? Why?
This is an open-ended exercise: its source gives no single answer.
OpenStax, Prealgebra 2e · §10.3 Multiply Polynomials · Exercise 71
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