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rosepabon
15.01.2021 •
Mathematics
Simplify the fraction and state the excluded value(s).
![\dfrac{7x^2+4x-20}{5x+10}](/tpl/images/2067/9772/7e2bd.png)
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Ответ:
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
Terms/CoefficientsFactoringCalculus
Discontinuities
Removable (Holes)Jump (Piece-wise functions)Infinite (Asymptotes)Step-by-step explanation:
Step 1: Define
Step 2: Simplify
[Frac - Numerator] Factor quadratic:When we divide (x + 2), we would have a removable discontinuity. If we were to graph the original function, we would see at x = -2 there would be a hole in the graph.
Ответ:
2x+18
18/2=x=9
6(9)-13=41
4(9)+5=36