Substituting Complex Formulas Worksheet
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Substituting Complex Formulas Worksheet
📚 Part 1: Worked Examples
Solution:
P = 3a² + 2b - 5
P = 3(4)² + 2(7) - 5
P = 3(16) + 14 - 5
P = 48 + 14 - 5 = 57
Solution:
Q = 2x(y - 3) + 4y²
Q = 2(-2)(5 - 3) + 4(5)²
Q = -4(2) + 4(25)
Q = -8 + 100 = 92
Solution:
R = (a + b)² - 3ab
R = (6 + (-4))² - 3(6)(-4)
R = (2)² - 3(-24)
R = 4 + 72 = 76
✏️ Part 2: Practice Questions
🎯 Part 3: Challenge Problems
Answer: £ ___________
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