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One method that could be used to solve the equation is using the quadratic formula given by:x = ( -b ± (b2 - 4ac)0.5) / 2a where ax2 + bx + c = 0Substituting our values in...
Q. Complete the square : x2 + 4x - 12A. Completing the square is putting the given equation into the form (x + a) 2 + bFirst, a = the coefficient of x 2so in this case a = ...
The solution to simultaneous equations is where the values of x and y satisfy both equations. In this case, we need to find values of x and y that satisfy the equations x2 + y2 =25 a...
Maths is pretty straight forward, you just need to get the key information out the question.So, we have a washing machine that costs £500 on sale. It has been reduced by 20%, so we need to find the origin...
2x2-2x+4=2x2+2x-4x+4=2x(x+1)-4(x+1)=(x+1)(2x-4)
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