7(x^2-64) = 7(x+8)(x-8)
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7(x+8) (x-8)
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divide by 7
x^2-64.
What else do you need?
I always use wolfram alpha too for double checking!
x^2-64.
What else do you need?
I always use wolfram alpha too for double checking!
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7x^2 - 448
= 7(x^2 - 64)
= 7( x + 8)(x - 8)
= 7(x^2 - 64)
= 7( x + 8)(x - 8)