Question

factorise the following by splitting the middle term:- a square + 3a - 70 ​

Answer 1

Answer:

sorry I cannot understand your question

Step-by-step explanation:

please follow me

Answer 2

Answer:

roots of the equation a²+3a-70 are 10,-7

Step-by-step explanation:

(1)muntiply of a² and of c(70)

2. find the factors of above obtained product with the sum of 3a (10a & -7a)

3. we now obtained [a²+10a-7a+70]

4.solving equation we get