Question

The value of 2.25 × 2.25 - 1.40 × 1.40 ÷ 2.25 +1.40 is :

Answer 1

Answer:

2.25-1.40

=.85

please mark this answer as brainliest.

Answer 2

Answer:

=(2.25×2.25 - 1.40×1.40)/(2.25+1.40)

=[(2.25)² - (1.40)²]/(2.25+1.40)

=[(2.25+1.40) (2.25-1.40)]/(2.25+1.40)

= (2.25-1.40)

=0.85

Step-by-step explanation:

Use a²-b²= (a+b) (a-b)