Question

1. Solve : 7x2 – 30x – 25 = 0​

Answer 1

Step-by-step explanation:

7x^2-30x-25

7x^2-35x+5x-25

7x(x-5)+5(x-5)

(x-5)(7x+5)

either x-5=0 or 7x+5=0

x=5. or x=-5/7

Answer 2

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