D) because the first equation*3-the second equation*;
the left side=0, the right side = 36
Answer:
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Step-by-step explanation:
39 times 3 and 15 times 3 then 27 times 2 then add together to get 216
Answer:
108
Step-by-step explanation:
150x0.72=108
Answer:
x=0
x=-1
x=-5
Step-by-step explanation:
To find the roots, we set the equation equal to zero and factor.
x(x²+6x+5)=0 [factor]
x(x+1)(x+5)=0 [set each factor equal to 0]
x=0
x+1=0 [subtract both sides by 1]
x=-1
x+5=0 [subtract both sides by 5]
x=-5
Now, we have found three roots, x=0, x=-1, x=-5.
