Question

$10 {z}^{2} - 7z - 12$
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Answer 1

10z²-7z-12

=>10z²-15z+8z-12

=>5z(2z-3)+4(2z-3)

=>(5z+4)(2z-3)

hope it helps

:-)

Answer 2

Answer:

$10 {z}^{2} - 7z - 12 = 10 {z}^{2} - 15z + 8z - 12 \\ = 5z(2z - 3) + 4(2z - 3) \\ = (5z + 4)(2z - 3)$

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