What is expand (cx+by)(ax+dy) ?

The solution to expand (cx+by)(ax+dy) is cax^2+cxdy+baxy+bydy

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expand (cx+by)(ax+dy)

expand

(c x + b y) (a x + d y)

c a x^{2} + c x d y + ba x y + b y d y

Solution steps

(c x + b y) (a x + d y)

Apply FOIL method:

(a + b) (c + d) = a c + a d + b c + b d

a = c x, b = b y, c = a x, d = d y

= c x a x + c x d y + b y a x + b y d y

= c a xx + c x d y + ba x y + b y d y

c a xx = c a x^{2}

= c a x^{2} + c x d y + ba x y + b y d y

- 1 - 2 (x - \frac{3 π}{4})

(4.186 (ln (x))) x

(sin (6 x) - cos (6 x))^{2}

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

(x + 2) (x - 2) (x - 1)

What is expand (cx+by)(ax+dy) ?
The solution to expand (cx+by)(ax+dy) is cax^2+cxdy+baxy+bydy