Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation -2*(-2-y)-y-2=0
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Equation 2*x^2+18*x=0
- Equation z^2-(2-i)z+3-i=0
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Equation ||x-6|-5|=4
- Express {x} in terms of y where:
- -4*x-9*y=12
- -2*x+15*y=9
- 18*x+8*y=-9
- -1*x+11*y=3
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Identical expressions
- ||x- six |- five |= four
- module of |x minus 6| minus 5| equally 4
- module of |x minus six | minus five | equally four
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Similar expressions
- ||x-6|+5|=4
- ||x+6|-5|=4
||x-6|-5|=4 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Rapid solution
[src]
x1 = -3
$$x_{1} = -3$$
x2 = 5
$$x_{2} = 5$$
x3 = 7
$$x_{3} = 7$$
x4 = 15
$$x_{4} = 15$$
x4 = 15
Sum and product of roots
[src]
sum
-3 + 5 + 7 + 15
$$\left(\left(-3 + 5\right) + 7\right) + 15$$
=
24
$$24$$
product
-3*5*7*15
$$15 \cdot 7 \left(- 15\right)$$
=
-1575
$$-1575$$
-1575
The graph