CPM Homework Help : AC Problem 12-51

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Home > AC > Chapter 12 > Lesson 12.2.2 > Problem 12-51

12-51.

Step 1 (a):

Add 49 to both sides.

x² − 14x + 49 = −24 + 49

Step 2 (a):

Simplify. (x − 7)² = 25

Step 3 (a):

Write two equations.

x − 7 = 5 x − 7 = −5

Answer (a):

x = 12 or −2

Step 1 (b):

Add 9 to both sides.

Hint (b):

Follow the steps in part (a).

Hint (c):

Follow the steps in part (b).

Answer (c):

x = 97 or 101

Hint (d):

Follow the steps in part (a).

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