Answer:
79
Step-by-step explanation:
(8²−9+12) + (4²+2−6)
=(64−9+12) + (4²+2−6)
=(55+12) + (4²+2−6)
=67 + (4²+2−6)
=67 + (16+2−6)
=67 + (18−6)
=67 + 12
=79
CARRY ON LEARNING
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