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

1 Answer

3 votes

Answer:

-2x2a • (2x2 + 4b - 5)

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)

User Yakalent
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