Guys please help!!!
1. what must be added to 25x²+30x+4 to make it a perfect square
2. what must be added to 9x²-12x+1 to make it a perfect square
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Answer:
1) (25x²+30x+4) + 5
=> 25x²+30x+9
=> (5x+9)²
Therefore, 5 must be added
2) (9x²-12x+1) + 3
=> 9x²-12x+4
=> (3x-2)²
Therefore, 3 must be added
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