Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation 4x-x^2=x^2-x+3
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Equation (x-4)/x=(2*x+10)/(x+4)
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Equation x+1/3=x-1/2
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Equation x-4=-2x+8
- Express {x} in terms of y where:
- -10*x+8*y=-12
- -20*x-20*y=-18
- -17*x+6*y=-6
- -13*x+4*y=7
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Identical expressions
- (x^ two - four)(sqrt(fourteen + five *x)-x)= zero
- (x squared minus 4)( square root of (14 plus 5 multiply by x) minus x) equally 0
- (x to the power of two minus four)( square root of (fourteen plus five multiply by x) minus x) equally zero
- (x^2-4)(√(14+5*x)-x)=0
- (x2-4)(sqrt(14+5*x)-x)=0
- x2-4sqrt14+5*x-x=0
- (x²-4)(sqrt(14+5*x)-x)=0
- (x to the power of 2-4)(sqrt(14+5*x)-x)=0
- (x^2-4)(sqrt(14+5x)-x)=0
- (x2-4)(sqrt(14+5x)-x)=0
- x2-4sqrt14+5x-x=0
- x^2-4sqrt14+5x-x=0
- (x^2-4)(sqrt(14+5*x)-x)=O
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Similar expressions
- (x^2-4)(sqrt(14+5*x)+x)=0
- (x^2-4)(sqrt(14-5*x)-x)=0
- (x^2+4)(sqrt(14+5*x)-x)=0
(x^2-4)(sqrt(14+5*x)-x)=0 equation
The teacher will be very surprised to see your correct solution 😉
The solution
You have entered
[src]
/ 2 \ / __________ \ \x - 4/*\\/ 14 + 5*x - x/ = 0
$$\left(- x + \sqrt{5 x + 14}\right) \left(x^{2} - 4\right) = 0$$
Sum and product of roots
[src]
sum
-2 + 2 + 7
$$\left(-2 + 2\right) + 7$$
=
7
$$7$$
product
-2*2*7
$$7 \left(- 4\right)$$
=
-28
$$-28$$
-28