Question

solve:
$2a { }^{2} - 2bc + 6b {}^{2} + ac - 7ab$
its urgent
​

Answer 1

Answer:

${( \frac{3}{2}) }^{7} \div {( \frac{3}{2}) }^{9} \times {( \frac{3}{2} )}^{2}$According ...

Step-by-step explanation:

PLZ MARK ME BRAINLIEST...........