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Solve the quadratic equation x^2+5x+6=0

Quadratic equations are a slightly bit more tricky than other algebraic equations we might have seen before. They are called quadratic equations because one of the unknown values is squared (mutiplied by its...
RW
Answered by Rob W. • Maths tutor
3919 Views

Solve the following simultaneous equations: 4x + 5y = -8 and 6x-2y = 26

1) Multiply both equations so we have the same coefficient of one of the variables. This allows us to eliminate one of the variables and solve for the other. (4x + 5y = -8) --> Multiply by 3 so we have (1...
MH
Answered by Maria H. • Maths tutor
5055 Views

(4+x)/8=2 Solve for X

multiply both sides by 8 --> 4+x=16subtract 4 from both sides x=12
PQ
Answered by Precious Q. • Maths tutor
3346 Views

differentiate x^2+10x+13

show the formulathen show differentiation
MY
Answered by Mohammed Y. • Maths tutor
3926 Views

Convert 0.1727272... to a fraction in its lowest terms.

First we must identify the recurring part of the decimal. We see that 72 is repeated, hence it is the recurring part of the decimal. Next, we say x = 0.1727272..., the reason why will become apparent shortly...
IH
Answered by Isaac H. • Maths tutor
7617 Views