Question

Subtract the sum of 3x + 2y – 9z - 7, - 5x + 4y – 6z – 4 and

4x – y + 8z - 2 from the sum of 7x – 2y + 3z - 5 and 5x - 7y – z + 3....plz tell me the answer fast.. ​

Answer 1

THANK YOU ❣️

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Answer 2

Answer:

3x(x−4y+5z) from 4x(2x−3y+10z)

4x(2x−3y+10z)

- 3x(x−4y+5z)

⇒(8x

2

−12xy+40xz)−(3x

2

−12xy+15xz)

⇒(8x

2

−3x

2

)+[−12xy+12xy]+40xz−15xz

⇒5x

2

+25xz

⇒

5x[x+57]