Mister Exam
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How to use it?
- Equation:
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Equation x^2-5x+4=0
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Equation x^2=8
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Equation (11x+14)-(5x-8)=25
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Equation -25-x=-17
- Express {x} in terms of y where:
- -14*x+10*y=19
- 19*x-12*y=16
- -11*x-3*y=14
- -9*x-1*y=6
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Identical expressions
- five , five (4x+ one)=22x+ fifteen
- 5,5(4x plus 1) equally 22x plus 15
- five , five (4x plus one) equally 22x plus fifteen
- 5,54x+1=22x+15
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Similar expressions
- 5,5(4x-1)=22x+15
- 15sin^2(2x)+15cos^2(2x)-16sinx=17
- (x^4)+(6*x^3)+(x^2)-(22*x)+15=0
- 5,5(4x+1)=22x-15
5,5(4x+1)=22x+15 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the equation:
Expand expressions:
Reducing, you get:
Move free summands (without x)
from left part to right part, we given:
$$0 = \frac{19}{2}$$
This equation has no roots
(11/2)*(4*x+1) = 22*x+15
Expand expressions:
11/2 + 22*x = 22*x+15
Reducing, you get:
-19/2 = 0
Move free summands (without x)
from left part to right part, we given:
$$0 = \frac{19}{2}$$
This equation has no roots