Question

5. Find the product.
a) (3x + 4y + 5z) (2x + 3y + 4z)
c) (x2 + 2xy + y2) (x + y - x)
6. Find the product.
a) (a2 + 2ab + 2bc + 2ca) (a + b - - 1)
b) (x3 + 5x2 - 6xy +y?) (x2 + y2 + 2xy - 7)
c) (a + b + c - d) (a - b-c-d)​

Answer 1

Answer:

a) 6x² + 9xy + 12xz + 8xy + 12y² + 16yz + 10xz + 15yz + 20z²

6x² + 12y² + 20z² + 17xy + 31yz + 22xz

Step-by-step explanation:

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