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Exercise

$3x+xy+6;\:x=4;\:y=2$

Step-by-step Solution

1

Calculate the numerical value for $3x+xy+6$ when $x=4$ and $y=2$. Replace the unknowns with their corresponding values

$3\cdot 4+4\cdot 2+6$
2

Multiply $3$ times $4$

$12+4\cdot 2+6$
3

Multiply $4$ times $2$

$12+8+6$
4

Add the values $12$ and $8$

$20+6$
5

Add the values $20$ and $6$

$26$

Final answer to the exercise

$26$

Try other ways to solve this exercise

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  • Integrate by partial fractions
  • Product of Binomials with Common Term
  • FOIL Method
  • Integrate by substitution
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  • Integrate using tabular integration
  • Integrate by trigonometric substitution
  • Weierstrass Substitution
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$-\left(x-y+1\right)^2,yo=1$

$23x,para\:x=4$

$y\:=\:3x2\:-\:6,\:si\:x=-2\:$

Main Topic: Numerical value of an algebraic expression

The numerical value of an algebraic expression is the result obtained by substituting the variables by a numerical value given.

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