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Debora [2.8K]
3 years ago
5

Solve for x by means of factorisation:1x2 - 10x + 21 = 0​

Mathematics
1 answer:
kirill115 [55]3 years ago
8 0

Answer:

Solving this will give us the following two solutions:

x = (10 + 4) /2 = 14/2 = 7

x = (10 - 4) /2 = 6/2 = 3

Step-by-step explanation:

hope this helps!

could i get brainliest?

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Dahasolnce [82]

Answer:

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General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
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Step-by-step explanation:

<u>Step 1: Define</u>

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<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    f(2) = 2/3(2) - 1
  2. Multiply:                               f(2) = 4/3 - 1
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3 years ago
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