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What step has the error in solving the equation (x + 2) ^ 2 = 4 occurred and explain what the error is?

What Step Has The Error In Solving The Equation X 2 2 4 Occurred And Explain What The Error Is class=

Sagot :

Answer:

step 2 ...they didn't expand the brackets two times

They person above is Actually correct, they dis not expand the it 2 times