pls pls solve this Q pls
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Answer:
GIVEN -
- ( b-7)^2
TO FIND -
- solution of this by using identity
SOLUTION -
Using identity (a-b)^2 = a^2 + b^2 - 2ab
here - a= b
b= (-7)
( b)^2 + (7)^2 - 2( b)(7)
b^2 + 49- 14b
# Be brainly
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Step-by-step explanation:
using identity
(a-b)² = a²+b²-2ab
a = b
b = 7
(b-7)² = b²+49-14b
This is a correct answer
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