nakaylafree
10.11.2020 •
Mathematics
Which expression is equivalent to ( -4y-x)-(3y-9x)?
a -7y-8x
b -7y-8x
c -y-10x
d y + 10x
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Ответ:
It's 8x-7y
Step-by-step explanation:
Ответ:
B
Step-by-step explanation:
2x² + 5x -3 = 0
2x² - x + 6x - 3 = 0
x(2x-1) + 3(2x-1) = 0
(x+3) (2x-1) = 0