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Apply the formula: $\left(x+a\right)\left(x+b\right)$$=x^2+\left(a+b\right)x+ab$, where $a=-8$, $b=6$, $x=x^2$, $x+b=x^2+6$ and $x+a=x^2-8$
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$f\left(x\right)=\left(x^2\right)^2+\left(-8+6\right)x^2-8\cdot 6$
Learn how to solve expressions algébriques problems step by step online. f(x)=(x^2-8)(x^2+6). Apply the formula: \left(x+a\right)\left(x+b\right)=x^2+\left(a+b\right)x+ab, where a=-8, b=6, x=x^2, x+b=x^2+6 and x+a=x^2-8. Apply the formula: a+b=a+b, where a=6, b=-8 and a+b=-8+6. Apply the formula: ab=ab, where ab=-8\cdot 6, a=-8 and b=6. Simplify \left(x^2\right)^2 using the power of a power property: \left(a^m\right)^n=a^{m\cdot n}. In the expression, m equals 2 and n equals 2.
