Question

(a+5)(a-2)=a2+5 is right or wr
ong

Answer 1

$(a + 5)(a - 2) = a(a - 2) + 5(a - 2)$

$= {a}^{2} - 2a + 5a - 10$

$= {a}^{2} + 3a - 10$

$\therefore (a + 5)(a - 2) \neq {a}^{2} + 5$