xxxxbratt
16.10.2019 •
Mathematics
Simplify by dividing (3/5) divided by -4/9
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Ответ:
Ответ:
x= -4
Step-by-step explanation:
subtract x² over and add 16 so that the equation is equal to 0 so you get:
x²+ 8x + 16 = 0
then factor,
(x+4)(x+4)=0
solve for x
x+4=0
x=-4