Question

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Answer 1

Answer:

Here is the answer=>

Step-by-step explanation:

1. 2x^2-7x-15

2x^2-10x+3x-15 (Middle term splitting)

2x(x-5)+3(x-5)

(2x+3)(x-5)

So from here, x=5 and x=-3/2

2. a^2+14a-51

a^2+17a-3a-51 (Middle term splitting)

a(a+17)-3(a+17)

(a-3)(a+17)

So from here, a=3 and a=-17

HOPE IT HELPS.