What is expand (a+1+x)left(a+1-x) ?

The solution to expand (a+1+x)left(a+1-x) is ela^2ft+2elaft-elx^2ft+elft

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expand (a+1+x)left(a+1-x)

expand

(a + 1 + x) l e f t (a + 1 - x)

e l a^{2} f t + 2 e l a f t - e l x^{2} f t + e l f t

Solution steps

(a + 1 + x) l e f t (a + 1 - x)

= e l f t (a + 1 + x) (a + 1 - x)

Expand

(a + 1 + x) (a + 1 - x) : a^{2} + 2 a - x^{2} + 1

= l e f t (a^{2} + 2 a - x^{2} + 1)

Expand

l e f t (a^{2} + 2 a - x^{2} + 1) : e l a^{2} f t + 2 e l a f t - e l x^{2} f t + e l f t

= e l a^{2} f t + 2 e l a f t - e l x^{2} f t + e l f t

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

\frac{d ^{2}}{d x ^{2}} ((y) (y^{3} - x y))

(5 e^{5 t} - e^{- t}) \cdot (25 e^{5 t} + e^{- t})

(35 y - 4)^{2}

se x (csc (x) + sin (x)) + cos (x) (sec (x) + cos (x)) + 1

What is expand (a+1+x)left(a+1-x) ?
The solution to expand (a+1+x)left(a+1-x) is ela^2ft+2elaft-elx^2ft+elft