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4 years ago

(5 - 3i)(6 + 2i)

Mathematics

2 answers:

yaroslaw [1]4 years ago

7 0

Answer:

The correct answer is D

Step-by-step explanation:

36 - 8i is correct. Using FOIL we get 30 - 8i - 6i2, but since i2 = -1, we get 30 - 8i - 6(-1), which is 30 - 8i + 6 = 36 - 8i.

olga_2 [115]4 years ago

3 0

The correct answer is A

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Elodia [21]

Answer:

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from law of indices:

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$( - 7 {a}^{4} b {c}^{3} )(5a {b}^{4} {c}^{2} ) \\ = ( - 7 \times 5)( {a}^{4} \times a)(b \times {b}^{4}) \times ( {c}^{3} \times {c}^{2} ) \\ = - 35 {a}^{5} {b}^{5 } {c}^{5} \\ = { \boxed{ \boxed{ - 35 {(abc)}^{5} }}}$

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Any question, be free to ask. Thank you …

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3 years ago

Read 2 more answers

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Vilka [71]

Answer:

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Step-by-step explanation:

f(x) = -4x^2 +5x

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= -114

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3 years ago