Mister Exam
Other calculators
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How to use it?
- Equation:
-
Equation x^2-8*x+17=0
-
Equation 2-3(7+2x)=11
-
Equation x^2-2x+1=0
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Equation sin(x/2)=1/2
- Express {x} in terms of y where:
- 7*x+19*y=12
- 17*x+20*y=-12
- 18*x-11*y=2
- 2*x-8*y=4
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Identical expressions
- twelve -(4x- three)= thirty-nine -9x
- 12 minus (4x minus 3) equally 39 minus 9x
- twelve minus (4x minus three) equally thirty minus nine minus 9x
- 12-4x-3=39-9x
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Similar expressions
- (2x-1)^2-4(x-3)(x+2)=0
- 12-(4x+3)=39-9x
- 12-4(x-3)=39-9x
- 12+(4x-3)=39-9x
- 12-4(x-3)=39+9x
- 12-(4x-3)=39+9x
12-(4x-3)=39-9x 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:
$$- 4 x = 24 - 9 x$$
Move the summands with the unknown x
from the right part to the left part:
$$5 x = 24$$
Divide both parts of the equation by 5
We get the answer: x = 24/5
12-(4*x-3) = 39-9*x
Expand brackets in the left part
12-4*x+3 = 39-9*x
Looking for similar summands in the left part:
15 - 4*x = 39-9*x
Move free summands (without x)
from left part to right part, we given:
$$- 4 x = 24 - 9 x$$
Move the summands with the unknown x
from the right part to the left part:
$$5 x = 24$$
Divide both parts of the equation by 5
x = 24 / (5)
We get the answer: x = 24/5
Sum and product of roots
[src]
sum
24/5
$$\frac{24}{5}$$
=
24/5
$$\frac{24}{5}$$
product
24/5
$$\frac{24}{5}$$
=
24/5
$$\frac{24}{5}$$
24/5