Solution:-simplify (x+5)(x+6)(x+7)
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Answered by
87
first multiplying 1st and 2nd.
(x+5) (x+6)
= x^2+6x+5x+30
= x^2+11x+30
Now multiply it by 3.
(x^2+11x+30) (x+7)
= x^3+7x^2+11x^2+77x+ 30x+210
= x^3+ 18x^2+ 107x+210
___________________________
hope u get it☺
(x+5) (x+6)
= x^2+6x+5x+30
= x^2+11x+30
Now multiply it by 3.
(x^2+11x+30) (x+7)
= x^3+7x^2+11x^2+77x+ 30x+210
= x^3+ 18x^2+ 107x+210
___________________________
hope u get it☺
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