1. 49
2. 10
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Answer:
5x²+4= 5(3)²+4
5(3)²+4=5(9)+4
5(9)+4=45+4
45+4=49
3(x+1)+y
3(1+1)+4=3(2)+4
3(2)+4=6+4
6+4=10
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SOLUTION:
1. 49
2. 10
===============
Verified answer
Answer:
5x²+4= 5(3)²+4
5(3)²+4=5(9)+4
5(9)+4=45+4
45+4=49
3(x+1)+y
3(1+1)+4=3(2)+4
3(2)+4=6+4
6+4=10