Q7) Factorise: (y + 7)(y - 10) +16
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3
(y + 7)(y - 10) +16
=y^2 -10y +7y-70
=y^2 -3y-70
=y^2 +7y-10y-70
=y(y+7)-10(y+7)
=(y+7)(y-10)
Answered by
3
Answer:
y^2-3y-54
Step-by-step explanation:
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