mayaduke9482
04.03.2021 •
Mathematics
Please help asap.....
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Ответ:
B
Step-by-step explanation:
As we know when factoring in complete from when it is given to us like this we erase one of the double terms, in this case is x+9 so after erased, it is
5x-7(x+9)
which basically is (5x-7)(x+9)
So that is the answer, thank you
Ответ:
z = 7 - 3y
4y + y + 3(7-3y) = 13
5y + 21 - 9y = 13
4y = 8
y = 2
z = 7 - 3(2)
z = 7 - 6
z = 1
x = 2 × 2
x = 4
i am a mathematics teacher. if anything to ask please pm me