(−2a+5−b)⋅(−5) <- does this equal to 10a−25+5b?
1 answer:
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Answer: The value of X is 26.
Explanation: The explanation is in the image.
Answer:
A. 3x^2 + 4 = 52
3x^2 = 52 - 4
3x^2 = 48
x^2 = 48/3
x^2 = 16
x =
x = 4
B. x^2 - 121 = 0
x^2 = 121
x =
x = 11
C. (b + 4 )2 = 49
2b + 8 = 49
2b = 49 - 8
2b = 41
b = 41/2