Math, asked by parth5211, 1 year ago

please please please help

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Answers

Answered by dippz10
0
16(a2-9)
16(a2-3^2)
16(a -3×a +3)
16(2a - 9)
Answered by Anonymous
0
a²-b²=(a+b)(a-b)

i)(4a)²-(12)
(4a+12)(4a-12)
ii)(8.6+1.4)(8.6-1.4)
(10.0)(6.2)
=0.062
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