Question

ayudemen porfa con estos productos notables * (12a-2)² *(6m+8)² *(3b+4)² *(4w-5)² ​

Answer 1

1) (12a-2)² = $\left(12a\right)^2-2\cdot \:12a\cdot \:2+2^2$= $144a^2-48a+4$

2) (6m+8)² = $\left(6m\right)^2+2\cdot \:6m\cdot \:8+8^2$ = $36m^2+96m+64$

3) (3b+4)² = $\left(3b\right)^2+2\cdot \:3b\cdot \:4+4^2$ = $9b^2+24b+16$

4) (4w-5)² ​ = $\left(4w\right)^2-2\cdot \:4w\cdot \:5+5^2$ = $16w^2-40w+25$