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2️⃣5️⃣ Find the product: (3x + 6)(x + 7).
A. 3x² + 27x + 42
B. 3x² + 27x + 34
C. 3x²+ 42x + 27
D. 3x² + 34x + 42​


Sagot :

Answer:

A

Step-by-step explanation:

Foil method

(3x+6)(x+ 7)

3x²+21x+6x+42

3x²+27x+42

Answer:

A. 3x² + 27x + 42

Step-by-step explanation:

  • Use FOIL Method

F - First

O - Outer

I - Inner

L - Last

  • Solution:

(3x + 6)(x + 7)

F = 3x • x = 3x²

O = 3x • 7 = 21x

I = 6 • x = 6x

L = 6 • 7 = 42

3x ² + 21x + 6x + 42

  • Combine Like Terms

3x² + 27x + 42

Therefore, A. 3x² + 27x + 42 is the answer

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