Question

Express 77 as the difference of two squares. Im in class 7 so please make it easy

Answer 1

Answer:

Step-by-step explanation:

(x+1)²-x²=77

x²+2x+1-x²=77

2x+1=77

2x=76

x=38

therefore the numbers are 38,39

Answer 2

Answer:

HI WE CAN WRITE 77 AS A DIFFERENCE OF TWO PERFECT SQUARE NUMBERS 81 AND 4 AND THE SQUARE ROOTS OF 81 AND 4 ARE 9 AND 4 RESPECTIVELY, SO THE ANSWER TO YOUR QUS IS 9^2 -2^2