Question

2h² +7hk -15k²
middle term method​

Answer 1

Answer:

(2h-3k)(h-5k)

Step-by-step explanation:

2h² +7hk -15k²

2h² +10hk-3hk -15k²

2h(h-5k)-3k(h-5k)

(2h-3k)(h-5k)

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Answer 2

Step-by-step explanation:

2h²+7hk-15k²=0

2h²+(10-3)hk-15k²=0

2h²+10hk-3hk-15k²=0

2h(h+5k)-3k(h+5k)=0

(h+5k)(2h+3k)=0

either,

(h+5k)=0 or (2h+3k)=0

h=-5k h=-3k/2

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