3 years ago

Express in simplest form: (3x2 + 4x - 8) - (-2x2 + 4x + 2)

Mathematics

1 answer:

Rashid [163]3 years ago

7 0

Answer:

2-4x

Step-by-step explanation:

-(-2 x 2+4x+2)

-(-4+4x+2)

-(-2+4x)

2-4x

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What is the value of i^20+1?<br> A. 1<br> B. –1<br> C. –i<br> D. i

lisov135 [29]

ANSWER

${i}^{20} + 1 =2$

EXPLANATION

The given expression is;

${i}^{20} + 1$

Recall that, in complex numbers

${i}^{2} = - 1$

We use this identity to simplify the given expression:

${i}^{20} + 1 =( {i}^{2})^{10} + 1$

This implies that:

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${i}^{20} + 1 =1+ 1$

${i}^{20} + 1 =2$

5 0

3 years ago

Read 2 more answers

Express in simplest form: (3x2 + 4x - 8) - (-2x2 + 4x + 2)​

Express in simplest form: (3x2 + 4x - 8) - (-2x2 + 4x + 2)