Evaluate Algebra Expression

b² + 4
when b = 3

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Evaluate when a = 15:
2(a - 5) + 2

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• 14
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6a - 3d
when a = 1, d = 2

• 3
• 12
• 1
• 0

2x + 3 + x²; for x = 4

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8y + 12 - 2z
for y = 4 and z = 2

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• 84
• 34

Evaluate 3x + 8   if x = 2

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Evaluate when x = 8:
2x + x - 10

• 34
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• 14
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Evaluate the expression when x = 3. 
2x² - 5

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• 12
• 7
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Evaluate the expression when x = 8:  
7(6 + 3 − x)

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• 21
• 7

Evaluate when x = 2 and y = 5:
2 + (12 - 5x) ⋅ 2y

• 22
• 40
• 142
• -86