Question

7. Find zeros of 3x2– 7x - 10 = 0 (by perfect square method​

Answer 1

did you mean 3x^2

then the answer is :

by using +10x and -3x

3x^2 -3x+ 10x-10=0

3x^2 -3x+ 10×-10=0

3x(x-1)+10(x-1)=0

(3x+10) (x-1)