2 answers:
Expand the following:
(2 x - 3) (x^2 + 4 x - 6)
| | | | 2 x | - | 3
| | x^2 | + | 4 x | - | 6
| | | | -12 x | + | 18
| | 8 x^2 | - | 12 x | + | 0
2 x^3 | - | 3 x^2 | + | 0 | + | 0
2 x^3 | + | 5 x^2 | - | 24 x | + | 18:
Answer: 2 x^3 + 5 x^2 - 24 x + 18
Hello there!
(2x - 3)(x² + 4x - 6)
Start by using the distributive property
=(2x)(x²) + (2x)(4x) + (2x)(-6) + (-3)(x²) + (-3)(4x) + (-3)(-6)
= 2x³ + 8x² - 12x - 3x² - 12x + 18
= 2x³ + 5x² - 24x + 18
As always, it is my pleasure to help students like you!
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