Inactive Tutor answered 11/09/16
Tutor
New to Wyzant
49x^2–(y+8x)^2
we can use a^2 -b^2 = (a+b)(a-b)
49x^2–(y+8x)^2
=(7x)^2 -(y+8x)^2
=(7x+y+8x)(7x-y-8x)
=(15x+y)(-x-y)
Kiranpreet K.
asked 11/09/16Inactive Tutor answered 11/09/16
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