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sqrt{7x+46} x+4
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\[\sqrt{7x+46}=x+4\]
7x+46=(x+4)^2=x^2+8x+16 7x+46=x^2+8x+16 x^2+x-30=0 Solve it
-6 or 5????
Yes
not sure which one
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Both
A quadratic equation has two solutions
so -6,5
Thanks so much
No problem
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parenthesis???
What?
is it (-6,5) or just -6,5
There's no difference
x=-6,5
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\[k^{4} \over k^{19?}\]
divide and simplify
\[(a^m)/(a^n)=a ^{m-n}\]
\[k^{4-19}\]
is that right?
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What is 4-19?
Simplify it
15
so the correct answer is \[k^{15}\]
or is it 3.63
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4-19=-15
yes sorry i forgot to put the negative sign
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