"( 2 a 4 + 2 a 3..." solved and explained

Peia6tvsr

Answered question

2022-05-20

(2 a^{4} + 2 a^{3} + 3 a + 4) + (a^{4} + 4 a^{3} + 2 a^{2} - 4 a + 2) = ?

skopcze2lelm

Beginner2022-05-21Added 8 answers

Remove parentheses.

$2 a^{4} + 2 a^{3} + 3 a + 4 + a^{4} + 4 a^{3} + 2 a^{2} - 4 a + 2$

Add $2 a^{4}$ and $a^{4}$ .

$3 a^{4} + 2 a^{3} + 3 a + 4 + 4 a^{3} + 2 a^{2} - 4 a + 2$

Add $2 a^{3}$ and $4 a^{3}$ .

$3 a^{4} + 6 a^{3} + 3 a + 4 + 2 a^{2} - 4 a + 2$

Subtract $4 a$ from $3 a$ .

$3 a^{4} + 6 a^{3} - a + 4 + 2 a^{2} + 2$

Add $4$ and $2$ .

$3 a^{4} + 6 a^{3} - a + 2 a^{2} + 6$

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