Question

subtract 5x2-4y2+6y-3 from 7x2-4xy+8y2+5x-3y​

Answer 1

explanation :

when there is a negative sign outside the bracket, then signs of all the terms inside the bracket changes, i.e from positive to negative and negative to positive

another concept used is that, when it is written that subtract x from y we write like this:

y - x not x - y

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