Answer:
d = 3
Step-by-step explanation:
Expand the right side and compare the coefficients of like terms
x² + 6x + c = x² + 2dx + d²
For the 2 sides to be equal then coefficients of like terms must be equal
compare coefficients of x- terms, then
2d = 6 ⇒ d = 3
Answer:
e
Step-by-step explanation:
2.16/3=72c
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Answer:
an answer for what? This one doesn't have a question
Answer:
Step-by-step explanation: