A rectangular stage set up in a theater has an area of (15x^2+3x-12) square feet. Factor the polynomial completely.

Mathematics

1 answer:

kap26 [50]3 years ago

7 0

15x²+3x-12
=3(5x²+x-4)
=3(x²+x-20)
=3(x+5)(x-4)
=3(5x+5)(5x-4)
=3(x+1)(5x-4)

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