Question

pls answer it fast............i will mark it as brainliest
If 49x²-b²=(7x+1/2)(7x-1/2) find the value of b

Answer 1

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49x^2 - b^2 = 49x^2 - 1/4


use this property _____

(a+b)(a-b) = a^2 - b^2

then

b^2 = 1/4

b = 1/2 & b = -1/2

Answer 2

49x^2 - 7x/2 +7x/2 - 1/4
So be = 1/2