What should be added to 4x2 + 3x3 + 11 to get 7x3 + 12x2 + 23 ?
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Step-by-step explanation:
let it be y
(4x2 + 3x3 +11) + y = (7x3 + 12x2+23)
=> y = (21+24+23) - (8+9+11)
=> y = 68 - 28
=> y = 40
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