Question

please ---------- solve the question no 17 and verify the answer

Answer 1

Here is your answer
$y {}^{2} - 3 {}^{2} - y {}^{2} - 5y= 6 \\ = - 5y - 9 = 6 \\ = - 5y = 6 + 9 \\ = - y = 15 \div 5 \\ = y = - 3 \\ now \: put \: it \: in \: above \\ ( - 3 + 3)( - 3 + - 3) - ( - 3)( - 3 + 5) \\ = 0 + 3(2) \\ = 6 \\ verify$
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