3 years ago

Combine and simplify the following radical expression.

Mathematics

1 answer:

Nina [5.8K]3 years ago

3 0

This is the answer and the steps

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(4 + 2i) + (- 6 - 7i) ← remove the parenthesis

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What number can you multiply ONE equation by in the following system to obtain a matching

LenaWriter [7]

Answer:

Multiply the second equation by 2

Step-by-step explanation:

Given

$4x + 3y = 8$

$2x + 5y =12$

Required

Get matching coefficient for elimination

$4x + 3y = 8$

$2x + 5y =12$

The coefficient of x in both expressions are factors.

So, we can multiply the second equation by 2 to get the coefficient of x in the first.

i.e.

$2 * (2x + 5y = 12)$

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So, the system becomes:

$4x + 3y = 8$

$4x + 10y = 24$

<em>Now, x can be eliminated</em>

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