add and subtract 2y-3x^2+7 and 10x^2+5y-7
Answers
Answered by
1
Answer:
add :- 7x²+7y
substitution :-
Answered by
6
EXPLANATION
ADD
2y - 3x^2 + 7 and 10x^2 + 5y - 7
= 2y - 3x^2 + 7 + 10x^2 + 5y - 7
= 7x^2 + 7y
SUBTRACT
2y - 3x^2 + 7 and 10x^2 + 5y - 7
= 2y - 3x^2 + 7 - (10x^2 + 5y - 7)
= 2y - 3x^2 + 7 - 10x^2 - 5y + 7
= - 13x^2 - 3y + 14
( Hope it will help u )
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