0
Best Answer
x2 + 2x - 15
= x2 - 3x + 5x - 15
= x(x - 3) + 5(x - 3)
= (x + 5)(x - 3)
Wiki User
∙ 13y agoThis answer is:
Add your answer:
Earn +20 ptsQ: How do you factorise x2 plus 2-15?
Write your answer...
Submit
Still have questions?
Related questions
How do you factorise x2 plus 4x?
X2 + 4xx(x + 4)=======
How do you Factorise this x2 plus 6x?
x2 + 6x = x*(x + 6)
How do you factorise 4x2 plus 16?
4(x2 + 4)
Factorise x2 plus 5x?
x(x+5)
Factorise x2 plus 8x plus 15?
(x+5)(x+3)
Factorise x2 - 10x plus 21?
(x-7)(x-3)
Factorise x2 plus 7x-44?
(x + 11)(x - 4)
How do you factorise x squared plus 7x?
x2+7x x(x+7)
How do you factorise x squared plus 4x?
x2 + 4x = x(x + 4)
Factorise x2 plus 6x-55 equals?
(x-5)(x+11)
How do you factorise x2-1?
1(x2-1)
Factorise x cubed plus 8?
X3 + 8= (x+2)(x2-2x+4)
Copyright ©2024 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.