Question

(-3a+5b)² algebraic expressions​

Answer 1

Answer:

9a^2 -30ab +25b^2

Step-by-step explanation:

See below for full explanation

Using (a+b)^2,

(-3a)^2 -(2*-3a*5b) +(5b)^2

= 9a^2 -30ab +25b^2

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Answer 2

Answer:

${( - 3a + 5b)}^{2}$

${(5b - 3a)}^{2}$

${( 5b)}^{2} + {(3a)}^{2} - 2 \times 5b \times 3a$

${25b}^{2} + {9a}^{2} - 30ab$