What must be added to each expression to make 11-a perfect square trinomial?with solutions
1. a²-12a+ _____
2. x²-9x+ _____
3. y²-4/5y+_____
4.z²+3/4z+_____
5.x²+2/5×+_____
1. a²-12a+ _____
2. x²-9x+ _____
3. y²-4/5y+_____
4.z²+3/4z+_____
5.x²+2/5×+_____
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Answer:
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Step-by-step explanation:
sana makatulong