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Ludmilka [50]
3 years ago
15

Expand 3x(11-7x). Help please

Mathematics
1 answer:
malfutka [58]3 years ago
7 0

Answer:  The required expand form is 33x-21x^2.

Step-by-step explanation:  We are given to expand the following expression :

E=3x(11-7x)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

To expand the given expression, we must multiply 3x with each of the rems within the bracket.

The expansion of expression (i) is as follows :

E\\\\=3x(11-7x)\\\\=3x\times11-3x\times7x\\\\=33x-21x^2.

Thus, the required expand form is 33x-21x^2.

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