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ciaotaylor
26.06.2019 •
Mathematics
Factor each difference of two squares. 36x² − 16
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Ответ:
(6x-4)(6x+4)
To check this answer, you use FOIL:
36x^2+24x-24x-16
36x^2-16 check!
Hope I helped!
Ответ:
39² is equal to 1521
80² is equal to 6400
Now we know 1521 + 6400 = c²
7921 = c²
Square each side, divide and you get c = 89 mm
The hypotenuse is equal to 89 mm