Question

2
7x² + 18x+8
49x² - 16
x 142-8
x+2​

Answer 1

Answer:

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Step-by-step explanation:

Step by step solution :

Step 1 :

Equation at the end of step 1 :

(((((27•(x2))+18x)+(849•(x2)))-24x142)-8x)+2

Step 2 :

Equation at the end of step 2 :

(((((27•(x2))+18x)+(3•283x2))-24x142)-8x)+2

Step 3 :

Equation at the end of step 3 :

((((33x2 + 18x) + (3•283x2)) - 24x142) - 8x) + 2

Step 4 :

Step 5 :

Pulling out like terms :

5.1 Pull out like factors :

-16x142 + 876x2 + 10x + 2 =

-2 • (8x142 - 438x2 - 5x - 1)

Checking for a perfect cube :

5.2 8x142 - 438x2 - 5x - 1 is not a perfect cube

Trying to factor by pulling out :

5.3 Factoring: 8x142 - 438x2 - 5x - 1

Thoughtfully split the expression at hand into groups, each group having two terms :

Group 1: -5x - 1

Group 2: 8x142 - 438x2

Pull out from each group separately :

Group 1: (5x + 1) • (-1)

Group 2: (4x140 - 219) • (2x2)