Question

<br />$subtract \: the \: sum \: of \: 4x { }^{2} + 7xy + 3y {}^{2} + 1 \: and \: 2x {}^{2} - 5xy - 2y {}^{2} + 8 \: from \: 9x {}^{2} - 8xy + 11y {}^{2}$<br />​

Answer 1

Answer:

search in google if if is of textbook write your class , board and at last solutions but if ........

Step-by-step explanation:

it is not from textbook than write the whole question in google