If mln, solve for x. (3x+9)(x+21)

Amos Kosgei asked Nov 1, 2023

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If mln, solve for x.
(3x+9)(x+21)

Amos Kosgei asked Nov 1, 2023

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12 votes

(3x+9)+(x+21)=90
4x+30=90
4x=60
60/4=15
X=15

Snowbear answered Nov 5, 2023

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