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12 votes
12 votes
Help fast!! (no links please.)

Help fast!! (no links please.)-example-1
User Hherger
by
2.5k points

2 Answers

26 votes
26 votes

Answer:

C) 3

Explanation:

When finding the value for this, we would simply by plugging in the values for the given variables and simplify the equation.

( c^2 + d^2 ) - 2 ( c^2 - d^2 )

( 3^2 + 2^2 ) - 2 ( 3^2 - 2^2 )

( 9 + 4 ) - 2 ( 9 - 4 )

( 13 ) - 2 ( 5 )

( 13 ) - 10

3

User Aja
by
3.3k points
12 votes
12 votes

Answer:

C) 3.

Explanation:

(3^2 + 2^2) - 2(3^2 - 2^2)

= (9 + 4) - 2(5)

= 13 = 10

= 3.

User Meriton
by
2.4k points