Question

solve the following quadratic equation by factorisation method x²-13x-30=0​

Answer 1

(x^2)-13x-30=0

(x^2)-15x+2x-30=0

(x^2-15x)+(2x-30)=0

{x(x-15)}+{2(x-15)=0

x(x-15)+2(x-15)=0

(x-15)(x+2)=0

x-15=0

x=0+15

x=15

x+2=0

x=0-2

x=-2

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Answer 2

Answer:

The answer is 15, - 2....