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RSB [31]
4 years ago
15

Factorise : a^2+4a-60 Step by Step​

Mathematics
1 answer:
NARA [144]4 years ago
6 0

Answer:

Step-by-step explanation:

Sum = 4

Product = -60

Factors = 10 , -6

a² + 4a - 60 = <u>a² + 10a</u> - 6a + (-6) * 10

                    =a(a + 10) - 6(a +10)

                    = (a +10) (a -6 )

                   

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