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Popular >

simplify (x+8i)(x-8i)

Solution

simplify

(x + 8 i) (x - 8 i)

Solution

x^{2} + 64

Solution steps

(x + 8 i) (x - 8 i)

Apply complex arithmetic rule:

(a + bi) (a - bi) = a^{2} + b^{2}

= x^{2} + 8^{2}

8^{2} = 64

= x^{2} + 64

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\frac{1}{2} a + \frac{1}{3} b + 2 a - 3 b - \frac{3}{4} a - \frac{1}{6} b + \frac{3}{4}

d - 26 = 7

w^{2} - 8 w + 3 = 0

factor x^4+3x^3-x^2-3x factor

x^{4} + 3 x^{3} - x^{2} - 3 x

Frequently Asked Questions (FAQ)

What is (x+8i)(x-8i) ?
The solution to (x+8i)(x-8i) is x^2+64