Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation (x+2)^4-4*(x+2)^2-5=0
- Equation x-y=2
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Equation x^3+2x^2-x-2=0
- Equation (x+20)*(-x+10)=0
- Express {x} in terms of y where:
- 15*x+7*y=2
- 12*x-20*y=10
- -17*x-15*y=-17
- 6*x-2*y=20
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Identical expressions
- -7x= three = thirty -2x
- minus 7x equally 3 equally 30 minus 2x
- minus 7x equally three equally thirty minus 2x
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Similar expressions
- x^2-7*x+4=0
- (x+3)(x-4)-(x-7)(x-2)=2
- -7x=3=30+2x
- 7x=3=30-2x
- 4(x-8)i-7(x+3)=0
-7x=3=30-2x equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the linear equation:
Divide both parts of the equation by -7
We get the answer: x = -3/7
-7*x = 3
Divide both parts of the equation by -7
x = 3 / (-7)
We get the answer: x = -3/7
Sum and product of roots
[src]
sum
-3/7
$$- \frac{3}{7}$$
=
-3/7
$$- \frac{3}{7}$$
product
-3/7
$$- \frac{3}{7}$$
=
-3/7
$$- \frac{3}{7}$$
-3/7