Kindly explain me the steps plus solution it’s urgent
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Step-by-step explanation:
multiplying
a) 2(9a-2)
18a-4
B) (3a-4) (3a+4)
3a(3a+4) -4(3a+4)
9a^2+12a-12a-16
9a^2-16
c) (3a-2)(3a-2)
3a(3a-2)-2(3a-2)
9a^2-6a-6a+4
9a^2-12a+4
d) (3a-2)(3a+2)
3a(3a+2)-2(3a+2)
9a^2+6a-6a-4
9a^2-4
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