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3x + 2y = 4 (equation 1) 4x + 5y = 17 (equation 2) Multiply equation 1 by 2.5, giving 7.5x + 5y = 10 (equation 1) 4x + 5y = 17 (equation 2) Subtract equation 2 from equation 1, giving 3.5x = -7 Therefore,...
(x+1)(x-1)
Of course - let's solve this question:
Question: Solve the following quadratic simultaneous equations
(1) 2x + y = 4 - x
(2) y2 + 4x = 12
An...
1. Begin by mulitplying out the bracket on the right hand side of the equation. x^2=3x+18 2. Now move all of the terms of the equation onto one side by subtracting them x^2-3x-18=0BTAnswered by Brad T. • Maths tutor10916 Views
Firstly we know that £1 equals 100p.
Then we could write 50p as £0.5 (As 50/100= 5/10= 1/2= 0.5), which is equivalent.
Now we do the fraction, £0.5 over £4, which is 0.5/4, enlarge both of t...
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