Which property was used to write the equation in step 2?

Step 1: 5 (x-7) = 55

Step 2: 5x-35 = 55

Step 3: 5x = 90

Step 4: X = 18

A) distributive property

B) addition property of equality

C) subtraction property of equality

D) division property of equality

How do I find answer to : x2+4x+5=

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