Math, asked by jaya132kvgoswami, 8 months ago

evaluate (4x - 5)^2 using appropriate identity

Answers

Answered by SUMIT86486

15

(4x - 5)²

(a-b) ²= a²+b²-2ab

(4x)² +5² -2(4x)(5)

16x² +25 -40x

16x²-40x+25

Answered by rohimabarbhuiya68

0

Answer:

=(a-b)²=a²+b²-2ab

=(4x)²+5²-2(4x)(5)

=16x²+25-40x

=16x²-40x+25

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