Question

(x+2) ©=2x(x-1) it was in the text book so pls solve it​

Answer 1

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Answer 2

QUESTION:—

• (x+2) ©=2x(x-1) it was in the text book so pls solve it

ANSWER:—

1. x³+6x²+12x+8 = 0(as x not equal to 0.)

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

(x+2)^3-(2*x*(x-1))=0

Step by step solution :

STEP 1:

Equation at the end of step 1

((x + 2)3) - 2x • (x - 1) = 0

STEP 2:

2.1 Evaluate : (x+2)³ = x³+6x²+12x+8

Checking for a perfect cube :

2.2 x³+6x²+12x+8 is not a perfect cube

Trying to factor by pulling out :

2.3 Factoring: x³+6x²+12x+8

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

Group 1: 14x+8

Group 1: 14x+8 Group 2: 4x2+x3

Pull out from each group separately :

Group 1: (7x+4) • (2)

Group 1: (7x+4) • (2)Group 2: (x+4) • (x2)

Bad news !! Factoring by pulling out fails :

The groups have no common factor and can not be added up to form a multiplication.

x³+6x²+12x+8 = 0(as x not equal to 0.)