Question

from the sum of 3 x² + 4 xy and -x² + xy, subtract 10 x² - 3xy​

Answer 1

Answer:

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Step-by-step explanation:

(i) 3x + 7x = (3 + 7)x = 10x

(ii) -5xy + 9xy = ( -5 + 9)xy = 4xy

Answer 2

hey mate!

sum of 3x²+4xy + (-x²+xy)

= 3x²+4xy-x²+xy

=2x²+5xy

now, subtract 10x²-3xy

so, 2x²+5xy - (10x²-3xy)

= 2x²+ 5xy - 10x²+3xy

= -8x²+8xy

hope this helps you

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