Value31
03.02.2020 •
Mathematics
Solve x2 − 10x = −21. (6 points)
x = 7 and x = 3
x = −7 and x = 3
x = −7 and x = −3
x = 7 and x = −3
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Ответ:
The CORRECT answer is::
x = -3 and x = -7
WORK::
Move ALL terms to the left side and set equal to zero. Then set each factor equal to zero.
Ответ:
1440 over 2400 = .6
.6 = 60%