Mister Exam

Lang:

How to use it?
Equation:
Equation cos(x)=2/3
Equation x+y=3
Equation (x-11)^4=(x+3)^4
Equation 9-4x=3x-40
Express {x} in terms of y where:
6*x+17*y=3
-17*x+18*y=10
10*x-18*y=3
13*x-12*y=19
Identical expressions
sqrt(x^ two + eleven *x- nine)=sqrt(eight *x)- five
square root of (x squared plus 11 multiply by x minus 9) equally square root of (8 multiply by x) minus 5
square root of (x to the power of two plus eleven multiply by x minus nine) equally square root of (eight multiply by x) minus five
√(x^2+11*x-9)=√(8*x)-5
sqrt(x2+11*x-9)=sqrt(8*x)-5
sqrtx2+11*x-9=sqrt8*x-5
sqrt(x²+11*x-9)=sqrt(8*x)-5
sqrt(x to the power of 2+11*x-9)=sqrt(8*x)-5
sqrt(x^2+11x-9)=sqrt(8x)-5
sqrt(x2+11x-9)=sqrt(8x)-5
sqrtx2+11x-9=sqrt8x-5
sqrtx^2+11x-9=sqrt8x-5
Similar expressions
sqrt(x^2+11*x-9)=sqrt(8*x)+5
sqrt(x^2-11*x-9)=sqrt(8*x)-5
sqrt(x^2+11*x+9)=sqrt(8*x)-5

sqrt(x^2+11x-9)=sqrt(8x)-5 equation

The teacher will be very surprised to see your correct solution 😉

You have entered [src]

   _______________              
  /  2                 _____    
\/  x  + 11*x - 9  = \/ 8*x  - 5

$$\sqrt{\left(x^{2} + 11 x\right) - 9} = \sqrt{8 x} - 5$$

Simplify

The graph

Plot the graph f1(x)

Plot the graph f2(x)

Sum and product of roots [src]

sum

$$0$$

product

$$1$$

sqrt(x^2+11*x-9)=sqrt(8*x)-5 equation