Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation (x-11)*(-x+9)=0
-
Equation 2^x=5
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Equation (x-10)^2=(x+4)^2
-
Equation 2*sin(x)+1=0
- Express {x} in terms of y where:
- 7*x+6*y=20
- -7*x-19*y=-18
- -12*x-8*y=13
- 15*x-5*y=-5
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Identical expressions
- thirteen - four *(5x+ two)= zero
- 13 minus 4 multiply by (5x plus 2) equally 0
- thirteen minus four multiply by (5x plus two) equally zero
- 13-4(5x+2)=0
- 13-45x+2=0
- 13-4*(5x+2)=O
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Similar expressions
- 13+4*(5x+2)=0
- 13-4*(5x-2)=0
- 13-4(5x+2)=3
13-4*(5x+2)=0 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the linear equation:
Expand brackets in the left part
Looking for similar summands in the left part:
Move free summands (without x)
from left part to right part, we given:
$$- 20 x = -5$$
Divide both parts of the equation by -20
We get the answer: x = 1/4
13-4*(5*x+2) = 0
Expand brackets in the left part
13-4*5*x-4*2 = 0
Looking for similar summands in the left part:
5 - 20*x = 0
Move free summands (without x)
from left part to right part, we given:
$$- 20 x = -5$$
Divide both parts of the equation by -20
x = -5 / (-20)
We get the answer: x = 1/4
Sum and product of roots
[src]
sum
1/4
$$\frac{1}{4}$$
=
1/4
$$\frac{1}{4}$$
product
1/4
$$\frac{1}{4}$$
=
1/4
$$\frac{1}{4}$$
1/4