Question

(Ysquare -6) (Ysquare +7)​

Answer 1

Answer:

y^2-y-42

Step-by-step explanation:

(x+a)(x+b)=x^2+(a+b)x+ab

therefore

(y)^2+(-6+7)y+(-6)(7)

=y^2+(-1)y+(-42)

=y^2-y-42

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