(x+8) (x-10)
(use identity : ( x+a) (x+b)=x power 2 + (a + b)x +ab.)
put a=8,b=10
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Answer:
(x+8)(x-10)
a=8
b=-10
Step-by-step explanation:
=x^2+(8+(-10))x-(8(-10))
=x^2-2x+80
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