Question

IF (x + 8) (x + 10) = x2 +18x +80 then i) (x - 8) (x + 10) = x2+__________. ii)(x + 8 ) (x - 10 ) = x2-__________. iii)(x - 8 ) (x - 10 ) x

Answer 1

Step-by-step explanation:

i)(x-8)(x+10)=x^2+2x-80

ii)(x+8)(x-10)=x^2-2x-80

III)(x-8)(x-10)=x^2-18x+80

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