Asked by lisa

find the number of zeros(x-intercept) y=a^2+a-56 show the step please.
Answered by Mac
Factor
What factors multiply to equal 56 and subtract to
equal 1?
Answered by lisa
-7.8
Answered by Mac
Yes
(X-7)(x+8)
Check by foiling
X^2 +8x -7x -56
X^2 +x -56
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