Question

Class: 7
Expand and simplify (3x+2)(x-9)+2x(4x+1)​

Answer 1

Answer:

is 11x^2-23x+18

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Step-by-step explanation:

given question is :-. (3x+2)(x-9)+2x(4x+1)

solution :- (3x+2)(x-9)+2x(4x+1)

=3x.x-3x.9+2.x-2×9+2x.4x+2x.1

=3x^2-27x+2x-18+8x^2+2x

rearrange it

then. =3x^2+8x^2-27x+2x+2x+18

=11x^2-23x+18