Question

solve the following quadratic equations by factorisation.5x²-22x-15=0​

Answer 1

Answer:

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Step-by-step explanation:

Here given quadratic equation is 5x²-22x-15=0

5x²-22x-15=0

5x²-25x+3x-15=0

5x(x-5)+3(x-5)=0

(5x+3)(x-5)=0

ie x-5=0 OR 5x+3=0

x=5 OR 5x=-3

Hence x=5 OR x=-3/5

Answer 2

Step-by-step explanation:

Hope you understand