Question

Salut!!✌
Help me please.......
Simplify:-
$( \frac{1}{2} y {}^{2} - \frac{1}{3} y - 1) - ( \frac{1}{3} y {}^{2} - \frac{1}{2} y - 3) - ( \frac{1}{4} y {}^{2} - \frac{1}{3} y - \frac{1}{2} )$
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Answer 1

the above pic is the solution for your question

Answer 2

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${\longmapsto\mathtt{( \frac{1}{2} y {}^{2} - \frac{1}{3} y - 1) - ( \frac{1}{3} y {}^{2} - \frac{1}{2} y - 3) - ( \frac{1}{4} y {}^{2} - \frac{1}{3} y - \frac{1}{2} )}}$

${ \longmapsto{ \mathtt{ \frac{1}{2} {y}^{2} - \frac{1}{3}y - 1 - \frac{1}{3} {y}^{2} + \frac{1}{2}y + 3 - \frac{1}{4} {y}^{2} + \frac{1}{3} y + \frac{1}{2} }}}$

${ \longmapsto{ \mathtt{ \frac{1}{2} {y}^{2} - \frac{1}{3} {y}^{2} - \frac{1}{4} {y}^{2} - \frac{1}{3} y + \frac{1}{2} y + \frac{1}{3}y - 1 + 3 + \frac{1}{2} }}}$

${ \longmapsto{ \mathtt{ {y}^{2}( \frac{1}{2} - \frac{1}{3} - \frac{1}{4} ) - y( \frac{1}{3} - \frac{1}{2} - \frac{1}{3} ) - 1 + 3 + \frac{1}{2} }}}$

${ \longmapsto{ \mathtt{ {y}^{2} (\frac{(6 - 4 - 3)}{12}) - y( \frac{(2 - 3 - 2)}{6} )( \frac{(- 2 + 6 + 1)}{2} )}}}$

${ \longmapsto{ \mathtt{ {y}^{2}( \frac{(6 - 7)}{12} ) - y( \frac{(2 - 6)}{6})( \frac{( - 2 + 7)}{2} ) }}}$

${ \longmapsto{ \mathtt{ {y}^{2} (\frac{ - 1}{12} ) - y( \frac{ - 4}{6} ) + \frac{5}{2} }}}$

${ \longmapsto{ \mathtt{ \frac{ - 1}{12} {y}^{2} + \frac{4}{6}y + \frac{5}{2} }}}$

${ \longmapsto{ \mathtt{ \frac{ - 1}{12} {y}^{2} + \frac{2}{3}y + \frac{5}{2} }}}$

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