6. Without squaring, find the value of:
(1) 27(2) - 26
Answers
Answered by
0
Answer:
26²+27
Step-by-step explanation:
27²-26=(26+1)²-26
= 26² +2(26×1)+1²-26
= 26²+ 2×26-26+1
= 26²+ 26(2-1) +1
=26²+26+1
= 26²+27
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