Which of the following is equivalent to 18 -sqrt -25?
2 answers:
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Answer:
Step-by-step explanation:
The domain is all possible values for x.
There are no restrictions on x.
The domain is all real numbers.
Answer:
step 1: move the -4 to the right: x^2 -2x = 4
step 2: add 1 to each side: x^2 -2x + 1 = 4 + 1
step 3: factor the left side and simplify the right side: (x-1)^2 = 5
step 4: take the square root of each side: x - 1 = sqr root of 5
step 5: move the 1 to the other side: and
