Solve 2x2 + 4x = 30 using the Quadratic Formula.
1 answer:
Answer:
General Formulas and Concepts:
<u>Pre-Algebra</u>
- Order of Operations: BPEMDAS
<u>Algebra I</u>
- Standard Form: ax² + bx + c = 0
- Quadratic Formula:
Step-by-step explanation:
<u>Step 1: Define equation</u>
2x² + 4x = 30
<u>Step 2: Rewrite into Standard Form</u>
2x² + 4x - 30 = 0
<u>Step 3: Define variables</u>
a = 2
b = 4
c = -30
<u>Step 4: Solve for </u><em><u>x</u></em>
- Substitute:
- Evaluate:
- Multiply:
- Add:
- Evaluate:
- Factor:
- Divide:
- Add/Subtract:
And we have our final answer!
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Step-by-step explanation:
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Step-by-step explanation:
1.
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2.
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3.
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