- Example 1: 9x2 + 3x
3(3x2 + x) . . . Taking 3 as a common factor. 3x(3x + 1) . . . Taking 'x' as the common factor. Answer: 3x(3x + 1) - Example 2: 2x2 - 3x
x(2x - 3) . . . Taking 'x' as the common factor. Answer: x(2x - 3) - Example 3: 8x2 + 15
Answer: The given expression is a prime expression. It cannot be factored since no number or variable is common to both terms - Example 4: 3ax2 + 8abx
x(3a + 8ba) . . . 'x' is the common factor xa(3 + 8b) . . . 'a' is the common factor Answer: xa(3 + 8b) - Example 5: 4x2 - 3x
x(4x - 3) . . . 'x' is the common factor Answer: x(4x - 3) - Example 6: √3x2 + 3
√3(x + √3) . . . '√3' is the common factor Answer: √3(x + √3) - Example 7: ax2 + bx
x(ax + b) . . . 'x' is the common factor Answer: x(ax + b) - Example 8: 35x2 - 2
Answer: The given expression is a prime expression. It has no common factor - Example 9: (a + b)x2 + a + b
(a + b)(x2 + 1) . . . '(a + b)' is the common factor Answer: (a + b)(x2 + 1) Example 10: . . . 'x' is the common factor . . . '1/2' is the common factor Answer:
Example solutions for factoring a two termed quadratic expression by taking the common factor
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