linacelina6027
07.07.2019 •
Mathematics
Wich product is equivalent to 25x2 -16
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Ответ:
25x²-16 is the difference of two squares, so can be written as the product ...
... (5x -4)(5x +4)
or
... (5x +4)(5x -4)
Ответ:
x=25
Step-by-step explanation:
6x-30=4x+20
6x-30+30=4x+20+30
6x=4x+50
2x=50
x=25