A few days ago
Anonymous

Some more math help please?

The last ones, I just don’t get either.

#1. Factor out the greatest common factor

7x^8 – 63x^7 + 42x^6

#2. Use the FOIL method to find the product

(4x^5 – 7)(x^9 – 8)

#3. Subtract the polynomials

(-2a^2 + 4a + 4) – (9a^2 + 4)

Top 1 Answers
A few days ago
Anonymous

Favorite Answer

1.

7x^8 – 63x^7 + 42x^6

= 7x^6(x^2 – 9x + 6).

2.

(4x^5 – 7)(x^9 – 8)

= 4x^14 – 32x^5 -7x^9 + 56.

3.

(-2a^2 + 4a + 4) – (9a^2 + 4)

= -11a^2 + 4a.

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