SOLUTION: Show, using a numerical example, that the expressions (x+2)^2 and x^2+4 are not equivalent.

SOLUTION: Show, using a numerical example, that the expressions (x+2)^2 and x^2+4 are not equivalent.

Algebra.Com

Question 1013737: Show, using a numerical example, that the expressions (x+2)^2 and x^2+4 are not equivalent.

Answer by ikleyn(52787) (Show Source): You can put this solution on YOUR website!
.
OK,
substitute x = 1 in each expression and compare.

= = 9.

= = 3.

Are these the same?

RELATED QUESTIONS
show by a counter example that (x+y)^-2 and x^-2+y^-2 are not... (answered by Fombitz)

what are the equivalent expressions for... (answered by josgarithmetic)

Show by counterexample that (x + y)^-2 and x^-2 + y ^-2 are not equivalent. (answered by edjones)

Are the expressions 2x to the third power and (2x) to the third power equivalent? ) Is... (answered by solver91311)

Bryce insist that (2+x)/8 is equivlent to (1+x)/4. What mistake do you think he is making (answered by Mathtut)

Bryce insists that(2+x)/8 is equivalent to (1+x)/4. What mistake do you think is being... (answered by fcabanski)

Show by counterexample that (x+y)^-2 and x^-2+y^-2 are not equivalent. please... (answered by jim_thompson5910)

WORD PROBLEM - SOLVE THE FOLLOWING POLYNOMIAL EQUATION Show by counterexample that... (answered by mathispowerful)

write this sentence in words (-x)^2 not equal to -x^2. Why are they not equivalent and... (answered by KnightOwlTutor)