Question

find the factor of a2 +11a+24
$a {?}^{2}$


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Answer 1

Step-by-step explanation:

a² + 11a + 24 = a² + 8a + 3a + 24

= a(a + 8) + 3(a + 8)

= (a + 8)(a + 3)

Answer 2

Step-by-step explanation:

• a^2+11a+24=0
• a^2+8a+3a+24=0
• a(a+8)+3(a+8)=0
• (a+3)(a+8)=0
• hence a=-3 and -8