Question

Find (x+y)(x-y)if
a. x = 52 y = (- 34)
b. x =14 y = 32

Answer 1

Answer:

a. 1548

b. -828

Step-by-step explanation:

a.  (x+y)(x-y)

=  $(x)^{2}$ ⁻ $(y)^{2}$

= $(52)^{2}$ ⁻ $(-34)^{2}$

= 2704 - 1156

= 1548(Ans)

b. (x+y)(x-y)

=  $(x)^{2}$ ⁻ $(y)^{2}$

= $(14)^{2}$ ⁻ $(32)^{2}$

= 196 - 1024

= -828 (Ans)

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