Find the sum of –5x2 + 4xy - 4 and 3x2 – 2xy + 8
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Answered by
1
Step-by-step explanation:
Question 1:
Add the following:
(i) 3x and 7x
(ii) −5xy and 9xy
ANSWER:
We have
(i) 3x + 7x = (3 + 7)x = 10x
(ii) -5xy + 9xy = ( -5 + 9)xy = 4xy
Answered by
0
Step-by-step explanation:
firstly we take consider as a same variable and than add as x2term xy term and constant term
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