Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation (x+10)^2=(x-9)^2
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Equation tg(x)=-1
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Equation (x+2)^2+(x-3)^2=2x^2
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Equation sin(x)=3/2
- Express {x} in terms of y where:
- -16*x-7*y=-5
- -2*x+1*y=-8
- -16*x+7*y=-5
- -2*x-1*y=-8
- Derivative of:
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(x-9)^2
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Identical expressions
- (x+ ten)^ two =(x- nine)^ two
- (x plus 10) squared equally (x minus 9) squared
- (x plus ten) to the power of two equally (x minus nine) to the power of two
- (x+10)2=(x-9)2
- x+102=x-92
- (x+10)²=(x-9)²
- (x+10) to the power of 2=(x-9) to the power of 2
- x+10^2=x-9^2
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Similar expressions
- (x-10)^2=(x-9)^2
- 2*(10x-9)^2-8*(10x-9)+8=0
- (x+10)^2=(x+9)^2
(x+10)^2=(x-9)^2 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the equation:
Expand expressions:
Reducing, you get:
Move free summands (without x)
from left part to right part, we given:
$$38 x = -19$$
Divide both parts of the equation by 38
We get the answer: x = -1/2
(x+10)^2 = (x-9)^2
Expand expressions:
100 + x^2 + 20*x = (x-9)^2
(x+10)^2 = 81 + x^2 - 18*x
Reducing, you get:
19 + 38*x = 0
Move free summands (without x)
from left part to right part, we given:
$$38 x = -19$$
Divide both parts of the equation by 38
x = -19 / (38)
We get the answer: x = -1/2
Sum and product of roots
[src]
sum
-1/2
$$- \frac{1}{2}$$
=
-1/2
$$- \frac{1}{2}$$
product
-1/2
$$- \frac{1}{2}$$
=
-1/2
$$- \frac{1}{2}$$
-1/2
The graph