Question

3(x-3)(x+4)+3(x+2)(x-4)=19(x-4)(x-3) by formula method
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Answer 1

Answer:

$21 {. = 5. \div \\ \geqslant = 5 \times 2 { > {31 \leqslant \leqslant \% \gamma \beta log(k.5? \times \frac{?}{?} ) }^{?} \times \frac{?}{?} }^{?} \times \frac{?}{?} }^{?}$