Question

simplify (1/3y^2- 4/7y+5) -(2/7y- 2/3y^2+2) -(1/7y-3+2y^2)​

Answer 1

When we subtract expressions, we need to add brackets to them and then multiply the (–) sign into the sign of each of the terms. Then when we open the the brackets we need to have the product as the sign of each of the terms.

Here is how it works:

(–) × (+) = (–)

(+) × (–) = (–)

(–) × (–) = (+)

(+) × (+) = (+)

Hope it helped.