Answer:
<h3>1. 32x³ - 25x² + 35x</h3>
<h3>2. 6x - 11y + 14z - 7</h3>
Step-by-step explanation:
<h2>1).</h2>
(4x³ - 5x² + 3x ) - 4(5x² - 7x³ - 8x)
Remove the brackets and simplify.
We have
4x³ - 5x² + 3x - 20x² + 28x³ + 32x
Group like terms and simplify
That's
4x³ + 28x³ - 5x² - 20x² + 3x + 32x
We have the final answer as
<h3 /><h3>32x³ - 25x² + 35x</h3>
<h2>2).</h2>
- 3 - ( 4x + 3y - 2z ) - 4 + 2( 5x - 4y + 6z)
Remove the brackets and simplify
That's
- 3 - 4x - 3y + 2z - 4 + 10x - 8y + 12z
Group like terms and simplify
- 4x + 10x - 3y - 8y + 2z + 12z - 3 - 4
We have the final answer as
<h3>6x - 11y + 14z - 7</h3>
Hope this helps you
