Question

Multiply ( a+b) and
${7}{a}^{2}$


​

Answer 1

Step-by-step explanation:

${7a}^{2} (a + b) \\ = > {7a}^{2} \times a + {7a}^{2} \times b \\ = > {7a}^{3} + {7a}^{2} b$

Here is answer ....⬆️⬆️