Product is -42 and sum is 1
What are the two numbers
2 answers:
Answer:
The numbers are 7, (-6)
Step-by-step explanation:
Let one number be x
So, other number = 1 - x
x*(1 -x) = -42
x - x² = -42
0 = -42 -x +x²
x² - x - 42 = 0
x² + 6x - 7x - 7*6 = 0
x(x + 6) -7 (x + 6) = 0
(x + 6)(x - 7) = 0
x + 6 = 0 ; x - 7 =0
x = -6 ; x = 7
The numbers are 7, (-6)
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