Question

solve this question please
​side = 4x+5

Answer 1

Answer:

x=5

Step-by-step explanation:

area=625

(4x+5)²=625

16x²+25+40x=625

16x²+40x=600

16x²+40x-600=0

2x²+5x-75=0

2x²-10x+15x-75=0

2x(x-5)+15(x-5)=0

(2x+15)(x-5)=0

x=5 or -15/2(Rejected)

=>x=5