Asked by Tim


Evaluate the algebraic expression for the given value of the variable.

-4,x^2-18= -10

Please check my answer
Answered by Susie

add 18 to both sides, take the square root to each side to find x
Answered by Tim
add 18 to both sides, take the square root to each side to find x.

Please show me how.
Answered by Tim

Please show me how this is my first time learning algebra.
Answered by John
It says to evaluate.

Therefore, just put the -4 in for the x^2 and simplify.
(-4)^2 - 18 simplifies 16 -18 simplifies to -2

If this is an expression there should not be an = sign. I am assuming the -10 wouldn't be there.
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