Question

<br />$x { }^{2} \times x ^{2} + 4 \:(add \: or \: subtrct \: x ^{2} )$<br />​

Answer 1

Answer:

${x}^{2} \times {x}^{2} + 4 \\ = {x}^{2 + 2} + 4 \\ = {x}^{4} + 4$

Step-by-step explanation:

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