Solving Quadratic Equations

• Save as
• pdf

		2	5	1	1	(X+2)(X+5)	X²	+7X	+10	X=-2	or X=-5
1	Solving Quadratic Equations Questions	-6	1	1	1	(X-6)(X+1)	X²	-5X	-6	X=6	or X=-1
2	1. Factorise X²+7X+10=0	6	6	1	1	(X+6)(X+6)	X²	+12X	+36	X=-6	or X=-6
3	2. Factorise X²-5X-6=0	-10	3	1	1	(X-10)(X+3)	X²	-7X	-30	X=10	or X=-3
4	3. Factorise X²+12X+36=0	-5	4	1	1	(X-5)(X+4)	X²	-1X	-20	X=5	or X=-4
5	4. Factorise X²-7X-30=0	6	-9	1	1	(X+6)(X-9)	X²	-3X	-54	X=-6	or X=9
6	5. Factorise X²-1X-20=0	4	-7	1	1	(X+4)(X-7)	X²	-3X	-28	X=-4	or X=7
7	6. Factorise X²-3X-54=0	4	4	1	1	(X+4)(X+4)	X²	+8X	+16	X=-4	or X=-4
8	7. Factorise X²-3X-28=0	6	-5	1	1	(X+6)(X-5)	X²	+1X	-30	X=-6	or X=5
9	8. Factorise X²+8X+16=0	-8	4	1	1	(X-8)(X+4)	X²	-4X	-32	X=8	or X=-4
10	9. Factorise X²+1X-30=0	5	-10	1	1	(X+5)(X-10)	X²	-5X	-50	X=-5	or X=10
11	10. Factorise X²-4X-32=0	1	10	1	1	(X+1)(X+10)	X²	+11X	+10	X=-1	or X=-10
12	11. Factorise X²-5X-50=0	6	12	1	1	(X+6)(X+12)	X²	+18X	+72	X=-6	or X=-12
13	12. Factorise X²+11X+10=0	-4	12	1	1	(X-4)(X+12)	X²	+8X	-48	X=4	or X=-12
14	13. Factorise X²+18X+72=0	5	-7	1	1	(X+5)(X-7)	X²	-2X	-35	X=-5	or X=7
15	14. Factorise X²+8X-48=0	-8	-7	1	1	(X-8)(X-7)	X²	-15X	+56	X=8	or X=7
16	15. Factorise X²-2X-35=0	-12	9	1	1	(X-12)(X+9)	X²	-3X	-108	X=12	or X=-9
17	16. Factorise X²-15X+56=0	1	-7	1	1	(X+1)(X-7)	X²	-6X	-7	X=-1	or X=7
18	17. Factorise X²-3X-108=0	4	-5	1	1	(X+4)(X-5)	X²	-1X	-20	X=-4	or X=5
19	18. Factorise X²-6X-7=0	-9	6	1	1	(X-9)(X+6)	X²	-3X	-54	X=9	or X=-6
20	19. Factorise X²-1X-20=0	-7	-11	1	1	(X-7)(X-11)	X²	-18X	+77	X=7	or X=11
21	20. Factorise X²-3X-54=0	4	-4	1	1	(X+4)(X-4)	X²		-16	X=-4	or X=4
	Solving Quadratic Equations Answers
	1. X=-2 or X=-5
	2. X=6 or X=-1
	3. X=-6 or X=-6
	4. X=10 or X=-3
	5. X=5 or X=-4
	6. X=-6 or X=9
	7. X=-4 or X=7
	8. X=-4 or X=-4
	9. X=-6 or X=5
	10. X=8 or X=-4
	11. X=-5 or X=10
	12. X=-1 or X=-10
	13. X=-6 or X=-12
	14. X=4 or X=-12
	15. X=-5 or X=7
	16. X=8 or X=7
	17. X=12 or X=-9
	18. X=-1 or X=7
	19. X=-4 or X=5
	20. X=9 or X=-6