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To solve an algebraic expression, simplify the expression by combining like terms, isolate the variable on one side of the equation by using inverse operations. Then, solve the equation by finding the value of the variable that makes the equation true.
- 6+11X+6X^2+X^3=0
6+11X+6X^2+X^3=0 - Algebra Calculator - Symbolab
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- 5x-6=3x-8
5x-6=3x-8 - Algebra Calculator - Symbolab
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- 6+11X+6X^2+X^3=0
The equation $(x-a)^2 + (y-b)^2 = r^2$ describes a circle on the x/y plane; of radius $r$ and centre $(a, b)$. It's solutions include all the combinations of $x$ and $y$ that make up a two dimensional circle, and no other points.
17 lut 2021 · Evaluate the expression \(x^2 − 2xy + y^2\) at \(x = −3\) and \(y = 2\). Solution. Following “Tips for Evaluating Algebraic Expressions,” first replace all occurrences of variables in the expression x 2 − 2xy + y 2 with open parentheses. \[ x^2 -2xy + y^2 = ( ~ )^2 -2(~)(~) + ( ~ )^2 \nonumber\nonumber \]
A cylinder's volume is π r² h, and its surface area is 2π r h + 2π r². Learn how to use these formulas to solve an example problem. Created by Sal Khan.
This surface area of a cylinder calculator is a handy tool that quickly finds all of the three types of surface areas: The base surface area of a cylinder; The lateral surface area of a cylinder; and; The total surface area of a cylinder.
How to evaluate an expression with one variable. Let's say we want to evaluate the expression a + 4 . Well, first we need to know the value of the variable a . For example, to evaluate the expression when a = 1 , we just replace a with 1 : a + 4 = 1 + 4 Replace a with 1. = 5. So, the expression a + 4 equals 5 when a = 1 .
4 lis 2021 · While we know that we can compute the area of any circular cylinder by the formula \[V = \pi r^2h, \nonumber\] if we think about slicing the cylinder into thin pieces, we see that each is a cylinder of radius \(r = 2\) and height (thickness) \(\Delta x\).
