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zvonat [6]
3 years ago
14

Solve the quadratic equation by factoring and show work: 6x²−x=15

Mathematics
2 answers:
il63 [147K]3 years ago
6 0

Answer:

x_{1} = -\frac{3}{2} \\x_{2}=\frac{5}{3}

Step-by-step explanation:

6x^{2} -x=15 move the constant to the left

6x^{2} -x-15=0 write as a difference

6x^{2} +9x-10x-15=0 factor the expressions

3x *(2x+3)-5(2x+3)=0 factor the expression

(2x+3) * (3x-5) = 0 split into possible cases

2x+3=0\\3x-5=0 solve the equations

alina1380 [7]3 years ago
3 0

Answer:

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

Step-by-step explanation:

<u>Step 1:  Subtract 15 from both sides</u>

<u />6x^2 - x - 15 = 15 - 15

6x^2 - x - 15

<u>Step 2:  Factor</u>

6x^2 - x - 15

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

Answer:  (2x + 3)(3x - 5)

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Eva8 [605]

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Step-by-step explanation:

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3 years ago
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6 0
4 years ago
If x = -3 is a zero of f(x), which of the following must be true?
Alla [95]

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3 years ago
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8 0
3 years ago
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