Answer: -2.5,, -0.9,, -1/3,, 1.7,, 27/4
Step-by-step explanation:
Answer:
33562, You could have used a calculator, or used your head, why
Step-by-step explanation:
Answer:
x²-y² = 40
Step-by-step explanation:
Factorising x²-y²:
x²-y² = (x+y)(x-y)
This is due to the property that states:
a²+b² = (a+b)(a-b)
Substituting the given values into the above equation:
x²-y² = (10)(4)
= 40
Hence, x²-y² = 40
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