Question

factorise - X square + 2x - 88 by splitting the middle term​

Answer 1

Step-by-step explanation:

x²+2x-88=0

i think that it must be

x²+3x-88=0

x²+11x-8x-88=0

x(x+11)-8(x+11)=0

(x-8)(x+11)=0

x-8=0. or. x+11=0

x=8 or x=-11