Factorization method
Solve the following quadratic equation
X square + 5 x minus 6 equals to zero
Answers
Answer:
x=-6,1
Step-by-step explanation:
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Answer:
x = 1,-6
Given :
quadratic equation = x² + 5x - 6 = 0
To find :
zeroes of the quadratic equation
Solution :
Given quadratic equation,
x² + 5x - 6
To solve it using factorization method,
we must know the sum - product pattern
x² + 5x - 6
=> It is of the form ax² + bx + c
Find the product of quadratic term [ax²] and constant term [c]
= x² × (-6)
= -6x²
Now, find the factors of "-6x²" in pairs
\begin{gathered}= > x \times (-6x) \\\\ = > -x \times 6x \\\\ = > 2x \times -3x \\\\ = > -2x \times 3x \\\\\end{gathered}
=>x×(−6x)
=>−x×6x
=>2x×−3x
=>−2x×3x
Now, from the above, find the pair that adds to get linear term [bx]
6x - x = 5x
So, split 5x into 6x and -x
x² + 5x - 6 = 0
x² - x + 6x - 6 = 0
Find the common factor,
x(x - 1) + 6(x - 1) = 0
(x - 1)(x + 6) =0
=> x - 1 = 0 ; x = 1
=> x + 6 = 0 ; x = -6
Step-by-step explanation:
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