Question

Subtract by the column method: a. 3a2 + 262 – 2 + 2ab + 1 from 5a2 + 762 +2c2 + 5ab + 6 b. 2x2 + 3y2 + z2 – 2xyz from 3x2 – 2y2 – 22 + 5xyz c. 5x + 2 - 3x2 + x3 + 3x4 from 5x4 + 2x3 + 2x2 – 3x + 7 d. 3x4 – 3xyz + 2xy + 4yz + y4 from 3y4 + 5yz + 7xy + 2xyz + 5x4​

Answer 1

Step-by-step explanation:

Current is the rate at which electrons flow past a point in a complete electrical circuit. At its most basic, current = flow. ... It expresses the quantity of electrons (sometimes called "electrical charge") flowing past a point in a circuit over a given time.

Answer 2

Step-by-step explanation:

Subtract by the column method: a. 3a2 + 262 – 2 + 2ab + 1 from 5a2 + 762 +2c2 + 5ab + 6 b. 2x2 + 3y2 + z2 – 2xyz from 3x2 – 2y2 – 22 + 5xyz c. 5x + 2 - 3x2 + x3 + 3x4 from 5x4 + 2x3 + 2x2 – 3x + 7 d. 3x4 – 3xyz + 2xy + 4yz + y4 from 3y4 + 5yz + 7xy + 2xyz + 5x4