3 years ago

Help me :( it's algebra and I am so confused. (explanation would be nice)

Mathematics

2 answers:

Mekhanik [1.2K]3 years ago

7 0

Answer:

-3x^4-3x+15x^2

Hope it helps

The 1st option

gulaghasi [49]3 years ago

7 0

Answer:

- 3 $x^{4}$ + 15x² - 3x

Step-by-step explanation:

Given

(5 $x^{4}$ - 3x + 8x²) - (8 $x^{4}$ - 7x²)

Remove the parenthesis on first and distribute second by - 1

= 5 $x^{4}$ - 3x + 8x² - 8 $x^{4}$ + 7x² ← collect like terms

= - 3 $x^{4}$ + 15x² - 3x ← in standard form

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