Question

(2x2 - 5y) (5x + 2y2); x = 2, y = -1​

Answer 1

Answer:

={2×2^2-5×(-1)}{5×2+2×(-1)^2}

={2×4+5}{10+1}

=13×11

=143

Answer 2

Step-by-step explanation:

Given:- x=2 and y=-1

Proof:- (2x²-5y)(5x+2y²)

[2(2)²-5(-2)] [5(2)+2(-1)²]

[2(4)+10] [10+2(1)]

(8+10) (10+2)

(18) (12)

216

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