What number do you plug in for PV (present value) in the amortization formula?
1 answer:
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Answer:
Expression:
Factorise the expression:
<u>Numerator:</u>
x^2 - 8 - 9
Find a pair of factors of c, that summed, make b. And decide whether the numbers are positive or negative.
1 * 9 = 9
-1 * 9 = -9
1 * -9 = -9
-1 * -9 = 9
1 + 9 = 10
1 - 9 = -8
-1 + 9 = 8
-1 - 9 = -10
The factors are
(x+1) and (x-9)
<u>Denominator</u>
5x^2 - 45x
Remove the factor here is visible - 5x.
Divide the expression by 5x.
5x(x - 9)
Both expressions have a common factor - (x - 9). This will cancel out.
Now you're left with:
(x+1)/5x