What are the solutions to the equation?
x2 + 6x = 40
A) x = −10 and x = 4
B) x = −8 and x = 5
C) x = −5 and x = 8
D) x = −4 and x = 10
Answers
Answered by
2
Answer:
the answer for this question is D
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Answered by
2
Answer:
A. -10 and 4
Step-by-step explanation:
x^2+6x-40=0
x^2-4x+10x-40=0
x(x-4)+10(x-4)=0
(x-4)(x+10)=0
x-4=0
and, x+10=0
x=4 and x=-10
hope you understand
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