Answer
$b^4+2b^2-3$
Work Step by Step
$(b^2-1)(b^2+3)\longrightarrow$ use the FOIL method to multiply binomials
$b^4+3b^2-b^2-3\longrightarrow$ combine like terms
$b^4+2b^2-3$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 8 - Polynomials and Factoring - 8-3 Multiplying Binomials - Practice and Problem-Solving Exercises - Page 490: 38
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