What is expand (4,-6i)(4+6i) ?

The solution to expand (4,-6i)(4+6i) is 4,4+4,6i-6*4i-6*6ii

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expand (4,-6i)(4+6i)

expand

(4, - 6 i) (4 + 6 i)

4, 4 + 4, 6 i - 6 \cdot 4 i - 6 \cdot 6 ii

Solution steps

(4, - 6 i) (4 + 6 i)

Apply FOIL method:

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

a = 4,, b = - 6 i, c = 4, d = 6 i

= 4, 4 + 4, 6 i + (- 6 i) \cdot 4 + (- 6 i) \cdot 6 i

Apply minus-plus rules

+ (- a) = - a

= 4, 4 + 4, 6 i - 6 \cdot 4 i - 6 \cdot 6 ii

y^{\frac{1}{4}} (y^{\frac{3}{4}} + y^{\frac{7}{4}})

\frac{2 \cdot ( x + y ) ^{2}}{3}

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

(a sin (t) cos (p) - d sin (p))^{2}

4 (2 x y + 4 y - 3) d x + (x + 2)^{2} d y

What is expand (4,-6i)(4+6i) ?
The solution to expand (4,-6i)(4+6i) is 4,4+4,6i-6*4i-6*6ii