Two numbers multiply together to make -15,
but add together to make -2
What are the two numbers?
Answers
Answered by
7
Step-by-step explanation:
(a)(b) = -15
a+b = -2
a = -2-b
(-2-b)(b) = -15
-2b -b² = -15
b²+2b-15=0
b² +5b -3b -15=0
b(b+5)-3(b+5)
(b-3)(b+5)
b= 3, -5
a = -5, 3
hope it helps
Answered by
0
Answer:
a + b is -2
Step-by-step explanation:
answer answer is a equals to minus 5 and 3
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