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Fill in the blanks.a. $x^{2}+2 x y+y^{2}=(\quad+\quad)^{2}$b. $x^{2}-2 x y+y^{2}=(x \quad y)^{2}$$-\quad)$c. $x^{2}-y^{2}=(x \quad y)(\quad-\quad)$
a. $x, y \quad$ b. $-$ $\mathbf{c} .+, x, y$
Algebra
Chapter 6
Factoring and Quadratic Equations
Section 4
Factoring Perfect-Square Trinomials and the Difference of Two Squares
Equations and Inequalities
Quadratic Functions
McMaster University
University of Michigan - Ann Arbor
Idaho State University
Lectures
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five a. We're looking at X Square plus two x y last wife. Where equals X plus Why quantity squared Be X squared minus two x y plus y squared equals X minus. Why squared and see X squared minus y squared Notice There's no minus or plus two X y, and we have a minus sign. So that's gonna be X minus y x plus Why? So when this sign here is a plus, the signs are both the same, and this sign tells you what they both are. In this case, we have a negative. So it tells us our signs are different and since
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