how do i factor this trinmonial problem 5(3t^2 + 4t - 15)

how do I factor the finally trinmonial 5 (3t^2+4t-15)
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1 Answer

5 (3t^2+4t-15)

=5 (3t^2+9t-5t-15)

=5 {3t(t+3)-5(t+3)}

=5(t+3)(3t-5)

by Level 8 User (32.3k points)

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