Question

Solve for x:
2x^2-13x-45=0


Please show work

Answer 1

$\huge\pink{\underline{\mathbb{ANSWER}}}$

Solution :

2x²-13x-45=0

2x²-18x+5x-45=0

2x(x-9)+5(x-9)=0

(2x+5)(x-9)=0

x=-5/2 OR x=9

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Answer 2

Answer:

2x^2-13x-45=0

2x^2-(18-5)x-45=0

2x^2-18x+5x-45=0

2x(x-9)+5(x-9)=0

(x-9)(2x+5)=0

then, x=9 or -5/2