Please help me in this and I’ll mark you BRAINYLEST

Step-by-step explanation:
Given
[tex]3 {x}^{2} \times 4 {x}^{5} \\ = 12 {x}^{2 + 5} \\ = 12 {x}^{7} [/tex]
Hope it will help :)❤
Answer:
12x^7
Step-by-step explanation:
3x^2(4)x^5
=3*x^2*4*x^5
=12*x^7
=12x^7
Please give brainlist!