Factor by grouping, -x2y2+9y2= y2(-x2+9)
x4-9x2=- x2(-x2+9)
= (y2-x2)(-x2+9)
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Answer:</h3>
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Explanation:</h3>
Use the FOIL method of multiplying binomials.
First term in each binomial:
Outside terms:
Inside terms:
Last term in each binomial:
Add them all together.
Simplify.
Answer:
Step-by-step explanation:
The formula for a geometric sequence is
where n is the position number in the sequence, a1 is the first number in the sequence, and r is the common ratio. For us,
n is 14, a1 is 5, and the common ratio (the number we multiply by each number to get to the next one in line) is -2.
and
and
so
Answer: 1st one thank me later
Step-by-step explanation: