7 algebra equations- 30 minutes

4. 4×3+7×2-12x-21
5. y2+8y+12
6. 3z2-2-10
7. 10×4+15×3-25×2
8. y2+3y-10=0
9. 2y2+3y-26= (y+2)2
10. The length of a rectangle is 1m more than twice its width, and the area of the rectangle is 45m2. Find the dimensions of the rectangle. Need just the length and width