Consider the steps for solving 3x2 – 42x + 9 = -5 for x by completing the square.
Step 1: 3x²...
Mathematics, 04.05.2020 22:37 molly7654
Consider the steps for solving 3x2 – 42x + 9 = -5 for x by completing the square.
Step 1: 3x² – 42x = -14
Step 2:3(x² – 14x) = -14
Step 3: 3(x^2 – 14x + 49) = -14+__
What number should be added to the right side of the equation?
A) 96
B) 147
C) 225
D) 441
Answers: 3
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