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Vladimir [108]
3 years ago
15

-49x^2 +16 factor completely

Mathematics
2 answers:
zmey [24]3 years ago
8 0
(-7x+4)(7x+4)
-49x^2-28x+28x+16
rosijanka [135]3 years ago
3 0
Recognize the difference of 2 perfect squares

remember
a²-b²=(a-b)(a+b)
so

we can rearange them to look like this:
16-49x²
then show the squares
(4)²-(7x)²
then factor
(4-7x)(4+7x)
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