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Popular >

simplify 5i(-5i)

Solution

simplify

5 i (- 5 i)

Solution

25

Solution steps

5 i (- 5 i)

Apply rule:

a (- b) = - ab

5 i (- 5 i) = - 5 i 5 i

= - 5 i 5 i

Multiply the numbers:

- 5 \cdot 5 = - 25

= - 25 ii

Apply exponent rule:

aa = a^{2}

ii = i^{2}

= - 25 i^{2}

Apply imaginary number rule:

i^{2} = - 1

= - 25 (- 1)

Multiply the numbers:

- 25 (- 1) = 25

= 25

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\frac{12}{7}

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Frequently Asked Questions (FAQ)

What is 5i(-5i) ?
The solution to 5i(-5i) is 25