Question

16abc - 56a²b - 40abd=?? Factorise .

Answer 1

Answer:

8ab( 2c - 7a - 5d )

Step-by-step explanation:

STEP 1. Expand the given equation

16abc - 56a2b - 40abd = (2×2×2×2×a×b×c) - (2×2×2×7×a×a×b) - (2×2×2×5×a×b×d)

STEP 2. take out the common terms from the expanded equation, that are (2×2×2), a and b.

STEP 3. Write the common terms outside and remaining terms inside of the bracket

2×2×2×a×b( 2×c - 7×a - 5×d )

= 8ab( 2c - 7a - 5d )

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