Question

(x/2-y/5-1) (x/2+y/5+1)

Answer 1

$\textbf{\large{\red{\underline{\underline{Step by step Explanation:-}}}}}$

$\mathtt{(\frac{x}{2}-\frac{y}{5}-1)(\frac{x}{2}+\frac{y}{5}+1}$

$\mathit{\underline{by,,}}$

$\mathtt{\underline{[(a-b-c)(a+b+c)=a^{2}-b^{2}-c^{2}-2bc}]}$

$\mathtt{\implies{(\frac{x}{2})^{2}-\frac{y}{5})^{2}-1^{2}-2\times \frac{y}{5}\times{1}}}$

$\mathtt{\implies{\frac{x^{2}}{4}-\frac{y^{2}}{25}-1-\frac{2y}{5}}}$

$\mathtt{\implies{\frac{25x^{2}-y^{2}-100-40y}{100}}}$

$\textbf{\small{\blue{\underline{Hope it helps you}}}}$

$\textit{\small{\green{\underline{please mark it as Brainliest answer.. thanks}}}}$