Solve the equation 8 + b = 26 and b=

Mathematics

2 answers:

KengaRu [80]2 years ago

7 0

B is equal to 18 hope this is correct

Pavel [41]2 years ago

6 0

B=26-8
so the answer is b=18

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<img src="https://tex.z-dn.net/?f=15%20x%5E%7B2%7D%20%2B14x-49%3D0" id="TexFormula1" title="15 x^{2} +14x-49=0" alt="15 x^{2} +1

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$15x^2+14x-49=0\\\\
Terms:\\
a=15\ \ \ \ b=14\ \ \ \ c=-49\\
Quadratic\ Formula:\\\\
x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\
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$Roots:\\\\
x'=\dfrac{-14+56}{30}\\\\
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\boxed{x'=\dfrac{7}{5}}\\\\\\\\
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