Question

If p(x)= 4x -3x+2xº+5 and q(x)=x²+2x+4, the find p(x)+q(x)
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Answer 1

Correct question :

If p(x) = 4x² -3x + 2x³ + 5 and q(x) =x² + 2x + 4, the find p(x) + q(x)

Given :

• p(x) = 4x² -3x + 2x³ + 5

• q(x) =x² + 2x + 4

To find :

• p(x) + q(x)

Solution :

p(x) = 4x² -3x + 2x³ + 5

q(x) =x² + 2x + 4

then,

p(x) + q(x)

= (4x² -3x + 2x³ + 5) + (x² + 2x + 4)

= 4x² - 3x + 2x³ + 5 + x² + 2x + 4

= 2x³ + 5x² - x + 9

∴ value p(x) + q(x) is 2x³ + 5x² - x + 9

Answer 2

Correct question:-

If p(x) = 4x² - 3x + 2x³ + 5 and q(x) = x² + 2x + 4, the find p(x) + q(x).

Step-by-step explanation:

Given :-

• p(x) = 4x² - 3x + 2x³ + 5
• q(x) = x² + 2x + 4

To find :-

• p(x) + q(x)

Solution :-

• p(x) = 4x² - 3x + 2x³ + 5
• q(x) = x² + 2x + 4

p(x) + q(x)

So,

→ (4x² - 3x + 2x³ + 5) + (x² + 2x + 4)

→ 4x² - 3x + 2x³ + 5 + x² + 2x + 4

→ 4x² + x² - 3x + 2x + 5 + 4 + 2x³

→ 3x² - x + 9 + 2x³

$or$

→ 2x³ - 3x² + 9 - x

Hence,

your answer is

2x³ - 3x² + 9 - x