y =-x2+2x+3 by complete the square
what is palendrome
solve 60/90=180/n
Alex, Bill and Cheryl were each given a bag of beads. During an art lesson, Alex used 22 beads, Bill used 32 beads and Cheryl used...
2^x+x = 5
x=?
the equation of a line is y 6x+8 what is the gradient
Prove that ((1-3x)^-2/3+(1-4x)^-3/4) / ((1-3x)^-1/3 + (1-4x)^-1/4) = 1+3/2x+4x^2 approximately
x^2 - y = 12
xy = 16
solve the complex equation (2+j)(3-j2)=a+jb
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