Question

Subtract a²+2b² from 3b²-4a². ​

Answer 1

Answer:

Explanation:

3b^2 - 4a^2 - ( a^2 + 2b^2)

3b^2 - 4a^2 - a^2 - 2b^2

5a^2 + b^2

Answer 2

$\sf \blue{(3 {b}^{2} - 4 {a}^{2}) - ( {a}^{2} + 2 {b}^{2})}$

$\sf \orange \implies \red {3 {a}^{2} - 4 {a}^{2} - {a}^{2} - 2 {b}^{2}}$

$\sf \pink \implies \purple { {b}^{2} - 5 {a}^{2}}$