4 years ago

What is the solution for x in 5x-2/11

Mathematics

2 answers:

UkoKoshka [18]4 years ago

5 0

Use bidmas
Brackets, indices,divide, multiply add and subtract

Veronika [31]4 years ago

4 0

I’d assume the whole equation is equal to 0, in that case multiply 11 to both sides and you’d get (5x-2)=0, add 2 to both sides and now it’s (5x=2)
Divide both sides by 5 and you’d get x=2/5 or .4

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❀ $\huge\underline{ \underline{Solution :-}}$

$( {y}^{2} + \frac{5}{7} )( {y}^{2} - \frac{14}{5} )$

To solve, use the algebraic identity ➺

<u>(x + a)( x + b) = x² + (a + b)x + ab</u>

$( {y}^{2} + \frac{5}{7} )( {y}^{2} - \frac{14}{5} ) \\ = ({y}^{2}) ^{2} + ( \frac{5}{7} + - \frac{14}{5} ) {y}^{2} + \frac{5}{7} \times - \frac{14}{5} \\ = {y}^{4} - \frac{73}{35} {y}^{2} - 2$