Solve x^2-8x-9=0 using the x method
2 answers:
Answer: <em>x=9,-1</em>
Step-by-step explanation:
<em>First, we are gonna start out with finding two numbers that multiply to equal -9 and add up to equal -8</em>
<em>Those numbers would be -9 & 1</em>
<em>-9+1=-8</em>
<em>-9x1=-9</em>
<em>Now we have </em>
<em>(x-9)(x+1)</em>
<em>x-9=0 x+1=0</em>
<em> +9 +9 -1 -1</em>
<em>x=9 x=-1</em>
Answer:
x=1,--9
Step-by-step explanation:
Move all terms to the left side and set equal to zero. Then set each factor equal to zero x=1,--9
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Step-by-step explanation:
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