Math, asked by shivanisingh30, 9 months ago

Factories the following
a) 16/49 x^2 - 121.
b) 9x^2+ 42x + 49- y^4

Answers

Answered by Ironmanjoker383

3

Answer:

1.) (4x/7 - 11)(4x/7 + 11)

2.)(3x + 7 - y^2)(3x + 7 + y^2)

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