Chapter 1 - Section 1.3 - Algebraic Expressions - 1.3 Exercises - Page 34: 40

$4y^2 - 25$

$Multiply$ $the$ $algebraic$ $expressions$ $using$ $a$ $Special$ $Product$ $Formula$ $and$ $simplify:$ $(2y+5)(2y-5)$ Use the Sum and Difference of Same Terms Product Formula: $(A+B)(A-B) = A^2-B^2$ $(2y+5)(2y-5) = (2y)^2 - 5^2$ $= 4y^2 - 25$