Find where the graph of $f\left( x \right) = {x}^{4} + 21 {x}^{2} - 100$ intercepts the coordinate axes.
2x^2-x-9=0 quadratic formula
find the x intercept of f\left(x\right)=x^4+21x^2-100
x^4+21x^2-100
y= x⅔ + 0.9 sin (kx) √3-x²
Find the value of x if :
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3
1
4 45
i
i x
=
∑ + =
x^2+9x-22=0 factorization
x^2+9x-22=0 by factorization
-5x + 2y = 40
y -12 = -3x
