Question

simplify:
(5p² - 7q) (5p² + 7q)
​

Answer 1

Answer:

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Step-by-step explanation:

(5p^2 - 7q)(5p^2 + 7q)

(a - b)(a + b) = a^2 - b^2

(5p^2)^2 - (7q)^2 = 25p^4 - 49q^2

Answer 2

Answer:

=25p^4 - 49q²

Step-by-step explanation:

=(5p² - 7q) (5p² + 7q)

use identity :- (a-b)(a+b)=a²-b²

=(5p² )² -(7q)²

=25p^4 - 49q²