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rjkz [21]
3 years ago
11

Simplify completely quantity 7 x squared plus 11 x minus 6 all over quantity 7 x squared minus 10 x plus 3.

Mathematics
2 answers:
GREYUIT [131]3 years ago
8 0
     7x^2 + 11x - 6
--------------------------
    7x^2 - 10x + 3

        (7x - 3)(x + 2)
=  -----------------------
        (7x - 3)(x  - 1)
             
        x + 2
=  --------------
        x  - 1

answer is 
<span>
quantity x plus 2 over quantity x minus 1</span>
lawyer [7]3 years ago
7 0

Answer:

\frac{(x-\frac{3}{7})(x+2)} {(x+\frac{2}{7})(x-1)}

Explanation:

We have been given the expression\frac{7x^2+11x-6}{7x^2-10x+3}

given two expressions are quadratic

Using the formula to solve the quadratic equation is

D=b^2-4ac

Now, to solve the equation for x where

x=\frac{-b\pm\sqrt{D}} {2a}

general quadratic equation is ax^2+bx+c

Comparing the numerator and denominator with general quadratic expression we will get

a=7,b=11,c=-6 in numerator

And a=7,b= -10,c=3 in denominator

And after substituting the values we will get

D=289 for numerator

and x=\frac{-11\pm17}{14} \\\\\Rightarrow\frac{3}{7} ,-2

And D=16 in denominator

and x=\frac{-(-10)\pm4}{14} \\\\\Rightarrow\frac{-2}{7} ,1

finally we will get \frac{(x-\frac{3}{7})(x+2)} {(x+\frac{2}{7})(x-1)}


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