What is expand (x^2+4)+(x^2-2) ?

The solution to expand (x^2+4)+(x^2-2) is 2x^2+2

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expand (x^2+4)+(x^2-2)

expand

(x^{2} + 4) + (x^{2} - 2)

2 x^{2} + 2

Solution steps

(x^{2} + 4) + (x^{2} - 2)

Remove parentheses:

(a) = a

= x^{2} + 4 + x^{2} - 2

Group like terms

= x^{2} + x^{2} + 4 - 2

Add similar elements:

x^{2} + x^{2} = 2 x^{2}

= 2 x^{2} + 4 - 2

Add/Subtract the numbers:

4 - 2 = 2

= 2 x^{2} + 2

e^{x} (e^{2 x} + 1)

\frac{1}{( 4 x - 5 ) ^{2}}

e^{9 x} (e^{2 x} - e^{x})

\frac{x - 1}{( x + 5 ) ( x ^{2} + 3 )}

l (t^{2} + 2 e^{- 2 t})

What is expand (x^2+4)+(x^2-2) ?
The solution to expand (x^2+4)+(x^2-2) is 2x^2+2