When factored completely, x3 − 13x2 − 30x is
1 answer:
Answer:
x (x - 15) ( x + 2)
Step-by-step explanation:
Start by factoring out x. Use a modified version of the distributive property.
x(x^2 - 13x - 30)
The second factor breaks down further into two facts in some form. The factors are 15 and 2
x(x 15)(x 2) One of them is positive and one negative. The larger number numerically (15) must be minus, because the 13 is minus.
x (x - 15) ( x + 2) is your complete answer.
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Answer:
a) yx=63
b) y=3
Step-by-step explanation:
a)
yx=k (inverse formula)
7(9)=k
63=k
b)
y(21)=63
y=63/21
y=3
This is a hard one but it’s either B. or D.
