Explanation:
3(15-3)²+4
3(12)²+4
3×144+4
432+4
436 Answer
Answer:
444
3 [ ( 15 - 3 )^2 + 4 ]
= 3 [ ( 15 - 3 )^2 + 4 ]
= 3 [ ( 12 )^2 + 4 ]
= 3 [ 144 + 4 ]
= 3 [ 148 ]
= 444
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