2xa (-4xb - 2x 3 + 5x)

-2x2a • (2x2 + 4b - 5)

Step-by-step explanation:

Step by step solution:

Step 1:

Equation at the end of step 1:

2xa • ((-4xb - 2x3) + 5x)

Step 2:

Step 3:

Pulling out like terms:

3.1 Pull out like factors:

-2x3 - 4xb + 5x = - x • (2x2 + 4b - 5)

Trying to factor a multi variable polynomial:

3.2 Factoring 2x2 + 4b - 5

Try to factor this multi-variable trinomial using trial and error

Factorization fails

Multiplying exponential expressions:

3.3 x1 multiplied by x1 = x (1 + 1) = x2

Final result:

-2x2a • (2x2 + 4b - 5)