Factor as the product of two binomials (x^2 - 10x + 21)
2 answers:
Answer:
(x - 7)(x - 3)
Step-by-step explanation:
Given
x² - 10x + 21
Consider the factors of the constant term (+ 21) which sum to give the coefficient of the x- term (- 10)
The factors are - 7 and - 3 , since
- 7 × - 3 = + 21 and - 7 - 3 = - 10, thus
x² - 10x + 21 = (x - 7)(x - 3) ← in factored form
Answer:
Step-by-step explanation:
x^2-10x+21
(x-7)(x-3)
find the 2 numbers that when multiplied make the last number or +21 and when combined make the middle number of -10. -7*-3 = 21 and -7+-3=10
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