Question

Evaluate: $70x^4÷14x^2$

Answer 1

$70x^4÷14x^2=\frac{2\times 5\times 7\times x\times x\times x\times x}{2\times 7\times x\times x}$
$=\frac{5\times x\times x}{1}$
$=5x^2$