(3x-4y)(3x+4y)
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Answered by
2
Answer:
=3x(3x+4y)-4y(3x+4y)
=9x²+12xy-12xy-16y²
=9x²-16y²
Answered by
1
Answer:
(3x-4y)(3x+4y)
= 3x(3x + 4y) -4y(3x + 4y)
= 9xsquare + 12xy -12xy -16ysquare
= 9xsquare -16ysquare
N.B:
I could not use 2 as superscript. So I have used square to indicate power 2.
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