Question

From the sum of 3x square -5x + 2 and -5x square -8x +6 subtract 4x square -9x + 7

Answer 1

Answer:

Sum of first three algebraic expressions is,

⇒y

2

+3yz+z

2

...... (1)

Sum of last two algebraic expressions is,

⇒2y

2

+yz ...... (2)

Now, subtract equation (2) from equation (1).

⇒−y

2

+2yz+z

2

Hence, this is the required result.

solution

Answer 2

Answer:

Sum of first three algebraic expressions is,

⇒y

2

+3yz+z

2

...... (1)

Sum of last two algebraic expressions is,

⇒2y

2

+yz ...... (2)

Now, subtract equation (2) from equation (1).

⇒−y

2

+2yz+z

2

Hence, this is the required result.

solution