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weqwewe [10]
3 years ago
12

What is the solution set to the equation 2x squared - 7x - 15 = 0

Mathematics
2 answers:
Alex73 [517]3 years ago
5 0

Answer:

x=-\frac{3}{2} and x=5

Step-by-step explanation:

2x^2-7x-15=0

Factor by grouping.

(2x+3)(x-5)=0

Now apply the zero property

2x+3=0\\2x=-3\\x=-\frac{3}{2}

and

x-5=0\\x=5

ozzi3 years ago
4 0

Hello,

Step-by-step explanation:

2x² - 7x - 15 = (x - 5) (2x + 3)

x - 5 = 0 ⇔ x = 5

2x + 3 = 0 ⇔ x = -3/2

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