the sum of -5x and -11x is
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7
Answer:
Correct option is
D
both a and b
⇒ The two numbers are a and b
According to the question,
⇒ a+b=15
⇒ a=15−b ---- ( 1 )
⇒ a1+b1=103
⇒ 15−b1+b1=103
⇒ b(15−b)b+15−b=103
⇒ 150=3b(15−b)
⇒ 50=b(15−b)
⇒ 50=15b−b2
⇒ b2−15b+50=0
⇒ b2−10b−5b+50=0
⇒ b(b−10)−5(b−10)=0
⇒ (b−10)(b−5)=0
Answered by
2
-5x + (-11x) = -5x-11x
= -16x
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