What is expand-yleft(x-y) ?

The solution to expand-yleft(x-y) is -elyftx+ely^2ft

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expand-yleft(x-y)

expand

- y l e f t (x - y)

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

Solution steps

- y l e f t (x - y)

= - e l y f t (x - y)

Apply the distributive law:

a (b - c) = ab - a c

a = - y l e f t, b = x, c = y

= - y l e f t x - (- y l e f t) y

Apply minus-plus rules

- (- a) = a

= - e l y f t x + e l yy f t

e l yy f t = e l y^{2} f t

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

\frac{3}{x ( x - 2 )}

\frac{x}{7 ( x - 2 ) ( x + 6 )}

\frac{7 s ^{2} - 15 s + 75}{s ( s ^{2} + 25 )}

t^{2} sin (t) - 2 (- t cos (t) + sin (t))

(1 + sin (x) - cos (x))^{2}

What is expand-yleft(x-y) ?
The solution to expand-yleft(x-y) is -elyftx+ely^2ft