112
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a + b = 76
a - b = 36
Add the two eq'ns ; this will
eliminate 'b'
Hence
2a = 112
a = 112/2 = 56
Hence
56 + b = 76
b = 76 - 56
b = 20
You want: abc + ab Factor out the common terms which are "a" and "b" ab ( c + 1 )
i think its ABC and if that not right ask a teacher for the answer
This is the formula: (a3)+(b3)=(a+b)(a2-ab+b2)
4
(a x b)^b =ab x b^2 =ab^3