Answered

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what is the answer to (-4b-3)4b-5b because my maths teacher says -16b^2-17b but i don’t think that’s right?

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Answer:

Your teacher is right.

Step-by-step explanation:

If you remember the Pemdas rule, you know you need to eliminate the brackets first by using distributive property of multiplication.

(-4b - 3) 4b - 5b

(-4b × 4b) - (3 × 4b) - 5b

- 16b^2 - 12b - 5b

- 16b^2 -17b

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