easiest way to solve this(be fast)
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Answer:
=(2.5p-1.5q)²-(1.5p-2.5q)²
=[(2.5p-1.5q)+(1.5p-2.5q)]
[(2.5p-1.5q)-(1.5p-2.5q)]
=(2.5p-1.5q+1.5p-2.5q)
(2.5p-1.5q-1.5p+2.5q)
=(4p-4q)(p+q)
=4p²+4pq-4pq-4q²
=4p²-4q²
=(2p)²-(2q)²
=(2p+2q)(2p-2q)
Step-by-step explanation:
Use formula :
a²-b²=(a+b)(a-b)
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