18+3(9f-13) simplify expression
1 answer:
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Answer: 64 - x² = (8 - x)(8 + x)
1) Factor the equation first:
So either
or 
. But can never equal 0! So, we only need to solve for the second equation:
2) First, single out the term with the exponent:
Now, taking the log base 4 of each side gives us
and we can now solve for x:
So either
2) First, single out the term with the exponent:
Now, taking the log base 4 of each side gives us
and we can now solve for x:
Answer:
Step-by-step explanation:
i hope this helps
