A few days ago
Dante Alighieri

What is the result of the expression? Thx?

2a (a – 5 ) – 2a (3a – 5) + a ² + 3a

thankss!!

Top 3 Answers
A few days ago
anobium625

Favorite Answer

Why is this under wordplay??

2a (a – 5 ) – 2a (3a – 5) + a ² + 3

= 2a² – 10a – 6a² + 10a + a² + 3

= -3a² +3

= -3(a² – 1), or, if you prefer,

= -3(a+1)(a-1)

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A few days ago
picador
Me scratching my head wondering where the other half of the equation might be.
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A few days ago
rosie recipe
wrong section – try maths
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