7x/x-4 * x/x+7
mutiply the numerators together
(7x)(x)= 7x^ 2
mutiply the denominators together
(x-4)(x+7)
(x)(x)(7)(x)= x^2+7x
(-4)(x)(-4)(7)= -4x-28
x^2+7x-4x-28
x^2+3x-28
Answer:
7x^2/x^ 2+3x-28
The Answer Is 1.67 For Your Equation
Answer:
x=5,y=-2
Step-by-step explanation:
Answer:
He vaulted 170 inches
Step-by-step explanation:
To get the answer you take 14 and multiple by 12 because there are 12 inches in every foot when you multiple you get 168 then you add 2 because it says 2 inches then you are left with 170 inches
Hope this helped