heerinfgsdhghh
heerinfgsdhghh
09-02-2017
Mathematics
contestada
Factorise: a^2 + 8a - 20
Respuesta :
Pitxbullxgirl
Pitxbullxgirl
09-02-2017
Which two numbers add up to
88
and multiply to
−20?
−2
and
10
Rewrite the expression using the above:
Answer:
(a−2)(a+10)
Answer Link
mariaylbloor
mariaylbloor
09-02-2017
You would use the quadratic formula or graph it to find your factors. Your factors are:
(x+10)(x-2)
Answer Link
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