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Numerical value of an algebraic expression Calculator

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Example
Created on 2024-06-20Asked by Mia Williams (Solvelet student)
Evaluate the expression 3x2−4x+2 3x^2 - 4x + 2 for x=5 x = 5 .

Solution

To evaluate the expression 3x2−4x+2 3x^2 - 4x + 2 for x=5 x = 5 : 1. Substitute x=5 x = 5 into the expression: 3(5)2−4(5)+2. 3(5)^2 - 4(5) + 2. 2. Calculate the value step-by-step: 3(25)−4(5)+2, 3(25) - 4(5) + 2, 75−20+2, 75 - 20 + 2, 55+2=57. 55 + 2 = 57. Therefore, the value of the expression 3x2−4x+2 3x^2 - 4x + 2 for x=5 x = 5 is 57 57 . Solved on Solvelet with Basic AI Model
Some of the related questions asked by Oliver Robinson on Solvelet
1. Evaluate the expression 3x2−2y+5 3x^2 - 2y + 5 for x=2 x = 2 and y=−1 y = -1 .2. Compute the value of the expression 4a−2b+c24a - 2b + c^2 for a=3a = 3, b=1b = 1, and c=−2c = -2.
DefinitionValue of an expression with numerals If the numbers a, b, and c are in the ver and we substitute a, b and c with the values, calculate and consider. Example: (3x2+2x+1) will take the numeric value as 3(2)2+2(2)+1=12+4+1=17 for x=2
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