Question

Find the value of 9a²-48ab+64b² when a = 15 and b= 6​

Answer 1

Answer:

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Step-by-step explanation:

9a

2

+3a−8b−64b

2

=9a

2

−64b

2

+3a−8b

=(3a)

2

−(8b)

2

+(3a−8b)

=(3a+8b)(3a−8b)+(3a−8b)

=(3a−8b)(3a+8b+1)