Math, asked by mohitsinghbisht4498, 5 months ago

expand the following using idenity (x-15)(x+20)

Answers

Answered by ginogaming963

0

Answer:

a>

=x²+45x-20x-900

=x²+25x-900

b>

=x²-15x+20x-300

=x²+5x-300

Answered by nsingla1978

1

Answer:

see this attachment

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