The answer to the equation is 298
Answer:
What is the explicit formula for this sequence? -9, -3, 3, 9, 15, ... - did not match any news results.
Suggestions:
Make sure that all words are spelled correctly.
Try different keywords.
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X² +18x = 0
To complete the square we are going to use formula a² +2ab +b² = (a+b)²
x² +2*9*x = 0
x² +2*9x+9² = 9²
(x+9)² = 9²
√(x+9)² = +/-√9²
x+9 = 9, or x+9 = -9
x=0, or x= - 18
The equation could be solved different way
x² +18x = 0
x(x+18) = 0
x=0 or x+18=0
x=0 or x=-18
Answer:
847
Step-by-step explanation:
700 ÷100 = 7
7× 4.2 = 29.4
29.4×5 =147
500+147
Answer: Look for key words.
Step-by-step explanation:
Example: 15 added and 24.
Added is the key word
24 + 15
