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posted by lisa Friday, December 7, 2012 at 7:42pm.

find the number of zeros(x-intercept) y=a^2+a-56 show the step please.

Factor What factors multiply to equal 56 and subtract to equal 1?

-7.8

Yes (X-7)(x+8) Check by foiling X^2 +8x -7x -56 X^2 +x -56

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