Subtract 7x2+4x-9 from 5x2+10x-5
2 answers:
Answer:
2x^2-6x-4
Step-by-step explanation:
(7x2 + 4x - 9)
-(5x2 + 10x - 5)
=
7x^2-5x^2=2x^2
4x-10x=-6x
-9-(-5)=-4
thus, your answer is 2x^2-6x-4
Answer:
41
Step-by-step explanation:
because I did it on a calculator and get it mentally
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<em>x₁ = 6/11</em>
<em>x₂ = - 6/11</em>
- <em>Step-by-step explanation:</em>
<em>Hi there ! </em>
<em>x² = 36/121</em>
<em>x² = 6²/11²</em>
<em>x = ±√6²/11²</em>
<em>x = ± 6/11</em>
<em>x₁ = 6/11</em>
<em>x₂ = - 6/11</em>
<em>Good luck !</em>
